1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660166116621663166416651666166716681669167016711672167316741675167616771678167916801681168216831684168516861687168816891690169116921693169416951696169716981699170017011702170317041705170617071708170917101711171217131714171517161717171817191720172117221723172417251726172717281729173017311732173317341735173617371738173917401741174217431744174517461747174817491750175117521753175417551756175717581759176017611762176317641765176617671768176917701771177217731774177517761777177817791780178117821783178417851786178717881789179017911792179317941795179617971798179918001801180218031804180518061807180818091810181118121813181418151816181718181819182018211822182318241825182618271828182918301831183218331834183518361837183818391840184118421843184418451846184718481849185018511852185318541855185618571858185918601861186218631864186518661867186818691870187118721873187418751876187718781879188018811882188318841885188618871888188918901891189218931894189518961897189818991900190119021903190419051906190719081909191019111912191319141915191619171918191919201921192219231924192519261927192819291930193119321933193419351936193719381939194019411942194319441945194619471948194919501951195219531954195519561957195819591960196119621963196419651966196719681969197019711972197319741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026202720282029203020312032203320342035203620372038203920402041204220432044204520462047204820492050205120522053205420552056205720582059206020612062206320642065206620672068206920702071207220732074207520762077207820792080208120822083 |
- #include "builtin.h"
- #include "perf.h"
- #include "util/cache.h"
- #include "util/debug.h"
- #include "util/exec_cmd.h"
- #include "util/header.h"
- #include "util/parse-options.h"
- #include "util/perf_regs.h"
- #include "util/session.h"
- #include "util/tool.h"
- #include "util/symbol.h"
- #include "util/thread.h"
- #include "util/trace-event.h"
- #include "util/util.h"
- #include "util/evlist.h"
- #include "util/evsel.h"
- #include "util/sort.h"
- #include "util/data.h"
- #include "util/auxtrace.h"
- #include <linux/bitmap.h>
- static char const *script_name;
- static char const *generate_script_lang;
- static bool debug_mode;
- static u64 last_timestamp;
- static u64 nr_unordered;
- static bool no_callchain;
- static bool latency_format;
- static bool system_wide;
- static bool print_flags;
- static bool nanosecs;
- static const char *cpu_list;
- static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
- unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
- enum perf_output_field {
- PERF_OUTPUT_COMM = 1U << 0,
- PERF_OUTPUT_TID = 1U << 1,
- PERF_OUTPUT_PID = 1U << 2,
- PERF_OUTPUT_TIME = 1U << 3,
- PERF_OUTPUT_CPU = 1U << 4,
- PERF_OUTPUT_EVNAME = 1U << 5,
- PERF_OUTPUT_TRACE = 1U << 6,
- PERF_OUTPUT_IP = 1U << 7,
- PERF_OUTPUT_SYM = 1U << 8,
- PERF_OUTPUT_DSO = 1U << 9,
- PERF_OUTPUT_ADDR = 1U << 10,
- PERF_OUTPUT_SYMOFFSET = 1U << 11,
- PERF_OUTPUT_SRCLINE = 1U << 12,
- PERF_OUTPUT_PERIOD = 1U << 13,
- PERF_OUTPUT_IREGS = 1U << 14,
- PERF_OUTPUT_BRSTACK = 1U << 15,
- PERF_OUTPUT_BRSTACKSYM = 1U << 16,
- };
- struct output_option {
- const char *str;
- enum perf_output_field field;
- } all_output_options[] = {
- {.str = "comm", .field = PERF_OUTPUT_COMM},
- {.str = "tid", .field = PERF_OUTPUT_TID},
- {.str = "pid", .field = PERF_OUTPUT_PID},
- {.str = "time", .field = PERF_OUTPUT_TIME},
- {.str = "cpu", .field = PERF_OUTPUT_CPU},
- {.str = "event", .field = PERF_OUTPUT_EVNAME},
- {.str = "trace", .field = PERF_OUTPUT_TRACE},
- {.str = "ip", .field = PERF_OUTPUT_IP},
- {.str = "sym", .field = PERF_OUTPUT_SYM},
- {.str = "dso", .field = PERF_OUTPUT_DSO},
- {.str = "addr", .field = PERF_OUTPUT_ADDR},
- {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
- {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
- {.str = "period", .field = PERF_OUTPUT_PERIOD},
- {.str = "iregs", .field = PERF_OUTPUT_IREGS},
- {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
- {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
- };
- /* default set to maintain compatibility with current format */
- static struct {
- bool user_set;
- bool wildcard_set;
- unsigned int print_ip_opts;
- u64 fields;
- u64 invalid_fields;
- } output[PERF_TYPE_MAX] = {
- [PERF_TYPE_HARDWARE] = {
- .user_set = false,
- .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
- PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
- PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
- PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
- PERF_OUTPUT_PERIOD,
- .invalid_fields = PERF_OUTPUT_TRACE,
- },
- [PERF_TYPE_SOFTWARE] = {
- .user_set = false,
- .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
- PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
- PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
- PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
- PERF_OUTPUT_PERIOD,
- .invalid_fields = PERF_OUTPUT_TRACE,
- },
- [PERF_TYPE_TRACEPOINT] = {
- .user_set = false,
- .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
- PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
- PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE,
- },
- [PERF_TYPE_RAW] = {
- .user_set = false,
- .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
- PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
- PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
- PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
- PERF_OUTPUT_PERIOD,
- .invalid_fields = PERF_OUTPUT_TRACE,
- },
- };
- static bool output_set_by_user(void)
- {
- int j;
- for (j = 0; j < PERF_TYPE_MAX; ++j) {
- if (output[j].user_set)
- return true;
- }
- return false;
- }
- static const char *output_field2str(enum perf_output_field field)
- {
- int i, imax = ARRAY_SIZE(all_output_options);
- const char *str = "";
- for (i = 0; i < imax; ++i) {
- if (all_output_options[i].field == field) {
- str = all_output_options[i].str;
- break;
- }
- }
- return str;
- }
- #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x)
- static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
- u64 sample_type, const char *sample_msg,
- enum perf_output_field field,
- bool allow_user_set)
- {
- struct perf_event_attr *attr = &evsel->attr;
- int type = attr->type;
- const char *evname;
- if (attr->sample_type & sample_type)
- return 0;
- if (output[type].user_set) {
- if (allow_user_set)
- return 0;
- evname = perf_evsel__name(evsel);
- pr_err("Samples for '%s' event do not have %s attribute set. "
- "Cannot print '%s' field.\n",
- evname, sample_msg, output_field2str(field));
- return -1;
- }
- /* user did not ask for it explicitly so remove from the default list */
- output[type].fields &= ~field;
- evname = perf_evsel__name(evsel);
- pr_debug("Samples for '%s' event do not have %s attribute set. "
- "Skipping '%s' field.\n",
- evname, sample_msg, output_field2str(field));
- return 0;
- }
- static int perf_evsel__check_stype(struct perf_evsel *evsel,
- u64 sample_type, const char *sample_msg,
- enum perf_output_field field)
- {
- return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
- false);
- }
- static int perf_evsel__check_attr(struct perf_evsel *evsel,
- struct perf_session *session)
- {
- struct perf_event_attr *attr = &evsel->attr;
- bool allow_user_set;
- allow_user_set = perf_header__has_feat(&session->header,
- HEADER_AUXTRACE);
- if (PRINT_FIELD(TRACE) &&
- !perf_session__has_traces(session, "record -R"))
- return -EINVAL;
- if (PRINT_FIELD(IP)) {
- if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
- PERF_OUTPUT_IP))
- return -EINVAL;
- }
- if (PRINT_FIELD(ADDR) &&
- perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
- PERF_OUTPUT_ADDR, allow_user_set))
- return -EINVAL;
- if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
- pr_err("Display of symbols requested but neither sample IP nor "
- "sample address\nis selected. Hence, no addresses to convert "
- "to symbols.\n");
- return -EINVAL;
- }
- if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
- pr_err("Display of offsets requested but symbol is not"
- "selected.\n");
- return -EINVAL;
- }
- if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
- pr_err("Display of DSO requested but neither sample IP nor "
- "sample address\nis selected. Hence, no addresses to convert "
- "to DSO.\n");
- return -EINVAL;
- }
- if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
- pr_err("Display of source line number requested but sample IP is not\n"
- "selected. Hence, no address to lookup the source line number.\n");
- return -EINVAL;
- }
- if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
- perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
- PERF_OUTPUT_TID|PERF_OUTPUT_PID))
- return -EINVAL;
- if (PRINT_FIELD(TIME) &&
- perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
- PERF_OUTPUT_TIME))
- return -EINVAL;
- if (PRINT_FIELD(CPU) &&
- perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
- PERF_OUTPUT_CPU, allow_user_set))
- return -EINVAL;
- if (PRINT_FIELD(PERIOD) &&
- perf_evsel__check_stype(evsel, PERF_SAMPLE_PERIOD, "PERIOD",
- PERF_OUTPUT_PERIOD))
- return -EINVAL;
- if (PRINT_FIELD(IREGS) &&
- perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
- PERF_OUTPUT_IREGS))
- return -EINVAL;
- return 0;
- }
- static void set_print_ip_opts(struct perf_event_attr *attr)
- {
- unsigned int type = attr->type;
- output[type].print_ip_opts = 0;
- if (PRINT_FIELD(IP))
- output[type].print_ip_opts |= PRINT_IP_OPT_IP;
- if (PRINT_FIELD(SYM))
- output[type].print_ip_opts |= PRINT_IP_OPT_SYM;
- if (PRINT_FIELD(DSO))
- output[type].print_ip_opts |= PRINT_IP_OPT_DSO;
- if (PRINT_FIELD(SYMOFFSET))
- output[type].print_ip_opts |= PRINT_IP_OPT_SYMOFFSET;
- if (PRINT_FIELD(SRCLINE))
- output[type].print_ip_opts |= PRINT_IP_OPT_SRCLINE;
- }
- /*
- * verify all user requested events exist and the samples
- * have the expected data
- */
- static int perf_session__check_output_opt(struct perf_session *session)
- {
- int j;
- struct perf_evsel *evsel;
- for (j = 0; j < PERF_TYPE_MAX; ++j) {
- evsel = perf_session__find_first_evtype(session, j);
- /*
- * even if fields is set to 0 (ie., show nothing) event must
- * exist if user explicitly includes it on the command line
- */
- if (!evsel && output[j].user_set && !output[j].wildcard_set) {
- pr_err("%s events do not exist. "
- "Remove corresponding -f option to proceed.\n",
- event_type(j));
- return -1;
- }
- if (evsel && output[j].fields &&
- perf_evsel__check_attr(evsel, session))
- return -1;
- if (evsel == NULL)
- continue;
- set_print_ip_opts(&evsel->attr);
- }
- if (!no_callchain) {
- bool use_callchain = false;
- evlist__for_each(session->evlist, evsel) {
- if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) {
- use_callchain = true;
- break;
- }
- }
- if (!use_callchain)
- symbol_conf.use_callchain = false;
- }
- /*
- * set default for tracepoints to print symbols only
- * if callchains are present
- */
- if (symbol_conf.use_callchain &&
- !output[PERF_TYPE_TRACEPOINT].user_set) {
- struct perf_event_attr *attr;
- j = PERF_TYPE_TRACEPOINT;
- evsel = perf_session__find_first_evtype(session, j);
- if (evsel == NULL)
- goto out;
- attr = &evsel->attr;
- if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
- output[j].fields |= PERF_OUTPUT_IP;
- output[j].fields |= PERF_OUTPUT_SYM;
- output[j].fields |= PERF_OUTPUT_DSO;
- set_print_ip_opts(attr);
- }
- }
- out:
- return 0;
- }
- static void print_sample_iregs(union perf_event *event __maybe_unused,
- struct perf_sample *sample,
- struct thread *thread __maybe_unused,
- struct perf_event_attr *attr)
- {
- struct regs_dump *regs = &sample->intr_regs;
- uint64_t mask = attr->sample_regs_intr;
- unsigned i = 0, r;
- if (!regs)
- return;
- for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
- u64 val = regs->regs[i++];
- printf("%5s:0x%"PRIx64" ", perf_reg_name(r), val);
- }
- }
- static void print_sample_start(struct perf_sample *sample,
- struct thread *thread,
- struct perf_evsel *evsel)
- {
- struct perf_event_attr *attr = &evsel->attr;
- unsigned long secs;
- unsigned long usecs;
- unsigned long long nsecs;
- if (PRINT_FIELD(COMM)) {
- if (latency_format)
- printf("%8.8s ", thread__comm_str(thread));
- else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
- printf("%s ", thread__comm_str(thread));
- else
- printf("%16s ", thread__comm_str(thread));
- }
- if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
- printf("%5d/%-5d ", sample->pid, sample->tid);
- else if (PRINT_FIELD(PID))
- printf("%5d ", sample->pid);
- else if (PRINT_FIELD(TID))
- printf("%5d ", sample->tid);
- if (PRINT_FIELD(CPU)) {
- if (latency_format)
- printf("%3d ", sample->cpu);
- else
- printf("[%03d] ", sample->cpu);
- }
- if (PRINT_FIELD(TIME)) {
- nsecs = sample->time;
- secs = nsecs / NSECS_PER_SEC;
- nsecs -= secs * NSECS_PER_SEC;
- usecs = nsecs / NSECS_PER_USEC;
- if (nanosecs)
- printf("%5lu.%09llu: ", secs, nsecs);
- else
- printf("%5lu.%06lu: ", secs, usecs);
- }
- }
- static inline char
- mispred_str(struct branch_entry *br)
- {
- if (!(br->flags.mispred || br->flags.predicted))
- return '-';
- return br->flags.predicted ? 'P' : 'M';
- }
- static void print_sample_brstack(union perf_event *event __maybe_unused,
- struct perf_sample *sample,
- struct thread *thread __maybe_unused,
- struct perf_event_attr *attr __maybe_unused)
- {
- struct branch_stack *br = sample->branch_stack;
- u64 i;
- if (!(br && br->nr))
- return;
- for (i = 0; i < br->nr; i++) {
- printf(" 0x%"PRIx64"/0x%"PRIx64"/%c/%c/%c/%d ",
- br->entries[i].from,
- br->entries[i].to,
- mispred_str( br->entries + i),
- br->entries[i].flags.in_tx? 'X' : '-',
- br->entries[i].flags.abort? 'A' : '-',
- br->entries[i].flags.cycles);
- }
- }
- static void print_sample_brstacksym(union perf_event *event __maybe_unused,
- struct perf_sample *sample,
- struct thread *thread __maybe_unused,
- struct perf_event_attr *attr __maybe_unused)
- {
- struct branch_stack *br = sample->branch_stack;
- struct addr_location alf, alt;
- u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
- u64 i, from, to;
- if (!(br && br->nr))
- return;
- for (i = 0; i < br->nr; i++) {
- memset(&alf, 0, sizeof(alf));
- memset(&alt, 0, sizeof(alt));
- from = br->entries[i].from;
- to = br->entries[i].to;
- thread__find_addr_map(thread, cpumode, MAP__FUNCTION, from, &alf);
- if (alf.map)
- alf.sym = map__find_symbol(alf.map, alf.addr, NULL);
- thread__find_addr_map(thread, cpumode, MAP__FUNCTION, to, &alt);
- if (alt.map)
- alt.sym = map__find_symbol(alt.map, alt.addr, NULL);
- symbol__fprintf_symname_offs(alf.sym, &alf, stdout);
- putchar('/');
- symbol__fprintf_symname_offs(alt.sym, &alt, stdout);
- printf("/%c/%c/%c/%d ",
- mispred_str( br->entries + i),
- br->entries[i].flags.in_tx? 'X' : '-',
- br->entries[i].flags.abort? 'A' : '-',
- br->entries[i].flags.cycles);
- }
- }
- static void print_sample_addr(union perf_event *event,
- struct perf_sample *sample,
- struct thread *thread,
- struct perf_event_attr *attr)
- {
- struct addr_location al;
- printf("%16" PRIx64, sample->addr);
- if (!sample_addr_correlates_sym(attr))
- return;
- perf_event__preprocess_sample_addr(event, sample, thread, &al);
- if (PRINT_FIELD(SYM)) {
- printf(" ");
- if (PRINT_FIELD(SYMOFFSET))
- symbol__fprintf_symname_offs(al.sym, &al, stdout);
- else
- symbol__fprintf_symname(al.sym, stdout);
- }
- if (PRINT_FIELD(DSO)) {
- printf(" (");
- map__fprintf_dsoname(al.map, stdout);
- printf(")");
- }
- }
- static void print_sample_bts(union perf_event *event,
- struct perf_sample *sample,
- struct perf_evsel *evsel,
- struct thread *thread,
- struct addr_location *al)
- {
- struct perf_event_attr *attr = &evsel->attr;
- bool print_srcline_last = false;
- /* print branch_from information */
- if (PRINT_FIELD(IP)) {
- unsigned int print_opts = output[attr->type].print_ip_opts;
- if (symbol_conf.use_callchain && sample->callchain) {
- printf("\n");
- } else {
- printf(" ");
- if (print_opts & PRINT_IP_OPT_SRCLINE) {
- print_srcline_last = true;
- print_opts &= ~PRINT_IP_OPT_SRCLINE;
- }
- }
- perf_evsel__print_ip(evsel, sample, al, print_opts,
- scripting_max_stack);
- }
- /* print branch_to information */
- if (PRINT_FIELD(ADDR) ||
- ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
- !output[attr->type].user_set)) {
- printf(" => ");
- print_sample_addr(event, sample, thread, attr);
- }
- if (print_srcline_last)
- map__fprintf_srcline(al->map, al->addr, "\n ", stdout);
- printf("\n");
- }
- static void print_sample_flags(u32 flags)
- {
- const char *chars = PERF_IP_FLAG_CHARS;
- const int n = strlen(PERF_IP_FLAG_CHARS);
- char str[33];
- int i, pos = 0;
- for (i = 0; i < n; i++, flags >>= 1) {
- if (flags & 1)
- str[pos++] = chars[i];
- }
- for (; i < 32; i++, flags >>= 1) {
- if (flags & 1)
- str[pos++] = '?';
- }
- str[pos] = 0;
- printf(" %-4s ", str);
- }
- static void process_event(union perf_event *event, struct perf_sample *sample,
- struct perf_evsel *evsel, struct addr_location *al)
- {
- struct thread *thread = al->thread;
- struct perf_event_attr *attr = &evsel->attr;
- if (output[attr->type].fields == 0)
- return;
- print_sample_start(sample, thread, evsel);
- if (PRINT_FIELD(PERIOD))
- printf("%10" PRIu64 " ", sample->period);
- if (PRINT_FIELD(EVNAME)) {
- const char *evname = perf_evsel__name(evsel);
- printf("%s: ", evname ? evname : "[unknown]");
- }
- if (print_flags)
- print_sample_flags(sample->flags);
- if (is_bts_event(attr)) {
- print_sample_bts(event, sample, evsel, thread, al);
- return;
- }
- if (PRINT_FIELD(TRACE))
- event_format__print(evsel->tp_format, sample->cpu,
- sample->raw_data, sample->raw_size);
- if (PRINT_FIELD(ADDR))
- print_sample_addr(event, sample, thread, attr);
- if (PRINT_FIELD(IP)) {
- if (!symbol_conf.use_callchain)
- printf(" ");
- else
- printf("\n");
- perf_evsel__print_ip(evsel, sample, al,
- output[attr->type].print_ip_opts,
- scripting_max_stack);
- }
- if (PRINT_FIELD(IREGS))
- print_sample_iregs(event, sample, thread, attr);
- if (PRINT_FIELD(BRSTACK))
- print_sample_brstack(event, sample, thread, attr);
- else if (PRINT_FIELD(BRSTACKSYM))
- print_sample_brstacksym(event, sample, thread, attr);
- printf("\n");
- }
- static int default_start_script(const char *script __maybe_unused,
- int argc __maybe_unused,
- const char **argv __maybe_unused)
- {
- return 0;
- }
- static int default_flush_script(void)
- {
- return 0;
- }
- static int default_stop_script(void)
- {
- return 0;
- }
- static int default_generate_script(struct pevent *pevent __maybe_unused,
- const char *outfile __maybe_unused)
- {
- return 0;
- }
- static struct scripting_ops default_scripting_ops = {
- .start_script = default_start_script,
- .flush_script = default_flush_script,
- .stop_script = default_stop_script,
- .process_event = process_event,
- .generate_script = default_generate_script,
- };
- static struct scripting_ops *scripting_ops;
- static void setup_scripting(void)
- {
- setup_perl_scripting();
- setup_python_scripting();
- scripting_ops = &default_scripting_ops;
- }
- static int flush_scripting(void)
- {
- return scripting_ops->flush_script();
- }
- static int cleanup_scripting(void)
- {
- pr_debug("\nperf script stopped\n");
- return scripting_ops->stop_script();
- }
- static int process_sample_event(struct perf_tool *tool __maybe_unused,
- union perf_event *event,
- struct perf_sample *sample,
- struct perf_evsel *evsel,
- struct machine *machine)
- {
- struct addr_location al;
- if (debug_mode) {
- if (sample->time < last_timestamp) {
- pr_err("Samples misordered, previous: %" PRIu64
- " this: %" PRIu64 "\n", last_timestamp,
- sample->time);
- nr_unordered++;
- }
- last_timestamp = sample->time;
- return 0;
- }
- if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
- pr_err("problem processing %d event, skipping it.\n",
- event->header.type);
- return -1;
- }
- if (al.filtered)
- goto out_put;
- if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
- goto out_put;
- scripting_ops->process_event(event, sample, evsel, &al);
- out_put:
- addr_location__put(&al);
- return 0;
- }
- struct perf_script {
- struct perf_tool tool;
- struct perf_session *session;
- bool show_task_events;
- bool show_mmap_events;
- bool show_switch_events;
- };
- static int process_attr(struct perf_tool *tool, union perf_event *event,
- struct perf_evlist **pevlist)
- {
- struct perf_script *scr = container_of(tool, struct perf_script, tool);
- struct perf_evlist *evlist;
- struct perf_evsel *evsel, *pos;
- int err;
- err = perf_event__process_attr(tool, event, pevlist);
- if (err)
- return err;
- evlist = *pevlist;
- evsel = perf_evlist__last(*pevlist);
- if (evsel->attr.type >= PERF_TYPE_MAX)
- return 0;
- evlist__for_each(evlist, pos) {
- if (pos->attr.type == evsel->attr.type && pos != evsel)
- return 0;
- }
- set_print_ip_opts(&evsel->attr);
- if (evsel->attr.sample_type)
- err = perf_evsel__check_attr(evsel, scr->session);
- return err;
- }
- static int process_comm_event(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample,
- struct machine *machine)
- {
- struct thread *thread;
- struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
- int ret = -1;
- thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
- if (thread == NULL) {
- pr_debug("problem processing COMM event, skipping it.\n");
- return -1;
- }
- if (perf_event__process_comm(tool, event, sample, machine) < 0)
- goto out;
- if (!evsel->attr.sample_id_all) {
- sample->cpu = 0;
- sample->time = 0;
- sample->tid = event->comm.tid;
- sample->pid = event->comm.pid;
- }
- print_sample_start(sample, thread, evsel);
- perf_event__fprintf(event, stdout);
- ret = 0;
- out:
- thread__put(thread);
- return ret;
- }
- static int process_fork_event(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample,
- struct machine *machine)
- {
- struct thread *thread;
- struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
- if (perf_event__process_fork(tool, event, sample, machine) < 0)
- return -1;
- thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
- if (thread == NULL) {
- pr_debug("problem processing FORK event, skipping it.\n");
- return -1;
- }
- if (!evsel->attr.sample_id_all) {
- sample->cpu = 0;
- sample->time = event->fork.time;
- sample->tid = event->fork.tid;
- sample->pid = event->fork.pid;
- }
- print_sample_start(sample, thread, evsel);
- perf_event__fprintf(event, stdout);
- thread__put(thread);
- return 0;
- }
- static int process_exit_event(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample,
- struct machine *machine)
- {
- int err = 0;
- struct thread *thread;
- struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
- thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
- if (thread == NULL) {
- pr_debug("problem processing EXIT event, skipping it.\n");
- return -1;
- }
- if (!evsel->attr.sample_id_all) {
- sample->cpu = 0;
- sample->time = 0;
- sample->tid = event->fork.tid;
- sample->pid = event->fork.pid;
- }
- print_sample_start(sample, thread, evsel);
- perf_event__fprintf(event, stdout);
- if (perf_event__process_exit(tool, event, sample, machine) < 0)
- err = -1;
- thread__put(thread);
- return err;
- }
- static int process_mmap_event(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample,
- struct machine *machine)
- {
- struct thread *thread;
- struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
- if (perf_event__process_mmap(tool, event, sample, machine) < 0)
- return -1;
- thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
- if (thread == NULL) {
- pr_debug("problem processing MMAP event, skipping it.\n");
- return -1;
- }
- if (!evsel->attr.sample_id_all) {
- sample->cpu = 0;
- sample->time = 0;
- sample->tid = event->mmap.tid;
- sample->pid = event->mmap.pid;
- }
- print_sample_start(sample, thread, evsel);
- perf_event__fprintf(event, stdout);
- thread__put(thread);
- return 0;
- }
- static int process_mmap2_event(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample,
- struct machine *machine)
- {
- struct thread *thread;
- struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
- if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
- return -1;
- thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
- if (thread == NULL) {
- pr_debug("problem processing MMAP2 event, skipping it.\n");
- return -1;
- }
- if (!evsel->attr.sample_id_all) {
- sample->cpu = 0;
- sample->time = 0;
- sample->tid = event->mmap2.tid;
- sample->pid = event->mmap2.pid;
- }
- print_sample_start(sample, thread, evsel);
- perf_event__fprintf(event, stdout);
- thread__put(thread);
- return 0;
- }
- static int process_switch_event(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample,
- struct machine *machine)
- {
- struct thread *thread;
- struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
- if (perf_event__process_switch(tool, event, sample, machine) < 0)
- return -1;
- thread = machine__findnew_thread(machine, sample->pid,
- sample->tid);
- if (thread == NULL) {
- pr_debug("problem processing SWITCH event, skipping it.\n");
- return -1;
- }
- print_sample_start(sample, thread, evsel);
- perf_event__fprintf(event, stdout);
- thread__put(thread);
- return 0;
- }
- static void sig_handler(int sig __maybe_unused)
- {
- session_done = 1;
- }
- static int __cmd_script(struct perf_script *script)
- {
- int ret;
- signal(SIGINT, sig_handler);
- /* override event processing functions */
- if (script->show_task_events) {
- script->tool.comm = process_comm_event;
- script->tool.fork = process_fork_event;
- script->tool.exit = process_exit_event;
- }
- if (script->show_mmap_events) {
- script->tool.mmap = process_mmap_event;
- script->tool.mmap2 = process_mmap2_event;
- }
- if (script->show_switch_events)
- script->tool.context_switch = process_switch_event;
- ret = perf_session__process_events(script->session);
- if (debug_mode)
- pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
- return ret;
- }
- struct script_spec {
- struct list_head node;
- struct scripting_ops *ops;
- char spec[0];
- };
- static LIST_HEAD(script_specs);
- static struct script_spec *script_spec__new(const char *spec,
- struct scripting_ops *ops)
- {
- struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
- if (s != NULL) {
- strcpy(s->spec, spec);
- s->ops = ops;
- }
- return s;
- }
- static void script_spec__add(struct script_spec *s)
- {
- list_add_tail(&s->node, &script_specs);
- }
- static struct script_spec *script_spec__find(const char *spec)
- {
- struct script_spec *s;
- list_for_each_entry(s, &script_specs, node)
- if (strcasecmp(s->spec, spec) == 0)
- return s;
- return NULL;
- }
- static struct script_spec *script_spec__findnew(const char *spec,
- struct scripting_ops *ops)
- {
- struct script_spec *s = script_spec__find(spec);
- if (s)
- return s;
- s = script_spec__new(spec, ops);
- if (!s)
- return NULL;
- script_spec__add(s);
- return s;
- }
- int script_spec_register(const char *spec, struct scripting_ops *ops)
- {
- struct script_spec *s;
- s = script_spec__find(spec);
- if (s)
- return -1;
- s = script_spec__findnew(spec, ops);
- if (!s)
- return -1;
- return 0;
- }
- static struct scripting_ops *script_spec__lookup(const char *spec)
- {
- struct script_spec *s = script_spec__find(spec);
- if (!s)
- return NULL;
- return s->ops;
- }
- static void list_available_languages(void)
- {
- struct script_spec *s;
- fprintf(stderr, "\n");
- fprintf(stderr, "Scripting language extensions (used in "
- "perf script -s [spec:]script.[spec]):\n\n");
- list_for_each_entry(s, &script_specs, node)
- fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
- fprintf(stderr, "\n");
- }
- static int parse_scriptname(const struct option *opt __maybe_unused,
- const char *str, int unset __maybe_unused)
- {
- char spec[PATH_MAX];
- const char *script, *ext;
- int len;
- if (strcmp(str, "lang") == 0) {
- list_available_languages();
- exit(0);
- }
- script = strchr(str, ':');
- if (script) {
- len = script - str;
- if (len >= PATH_MAX) {
- fprintf(stderr, "invalid language specifier");
- return -1;
- }
- strncpy(spec, str, len);
- spec[len] = '\0';
- scripting_ops = script_spec__lookup(spec);
- if (!scripting_ops) {
- fprintf(stderr, "invalid language specifier");
- return -1;
- }
- script++;
- } else {
- script = str;
- ext = strrchr(script, '.');
- if (!ext) {
- fprintf(stderr, "invalid script extension");
- return -1;
- }
- scripting_ops = script_spec__lookup(++ext);
- if (!scripting_ops) {
- fprintf(stderr, "invalid script extension");
- return -1;
- }
- }
- script_name = strdup(script);
- return 0;
- }
- static int parse_output_fields(const struct option *opt __maybe_unused,
- const char *arg, int unset __maybe_unused)
- {
- char *tok;
- int i, imax = ARRAY_SIZE(all_output_options);
- int j;
- int rc = 0;
- char *str = strdup(arg);
- int type = -1;
- if (!str)
- return -ENOMEM;
- /* first word can state for which event type the user is specifying
- * the fields. If no type exists, the specified fields apply to all
- * event types found in the file minus the invalid fields for a type.
- */
- tok = strchr(str, ':');
- if (tok) {
- *tok = '\0';
- tok++;
- if (!strcmp(str, "hw"))
- type = PERF_TYPE_HARDWARE;
- else if (!strcmp(str, "sw"))
- type = PERF_TYPE_SOFTWARE;
- else if (!strcmp(str, "trace"))
- type = PERF_TYPE_TRACEPOINT;
- else if (!strcmp(str, "raw"))
- type = PERF_TYPE_RAW;
- else {
- fprintf(stderr, "Invalid event type in field string.\n");
- rc = -EINVAL;
- goto out;
- }
- if (output[type].user_set)
- pr_warning("Overriding previous field request for %s events.\n",
- event_type(type));
- output[type].fields = 0;
- output[type].user_set = true;
- output[type].wildcard_set = false;
- } else {
- tok = str;
- if (strlen(str) == 0) {
- fprintf(stderr,
- "Cannot set fields to 'none' for all event types.\n");
- rc = -EINVAL;
- goto out;
- }
- if (output_set_by_user())
- pr_warning("Overriding previous field request for all events.\n");
- for (j = 0; j < PERF_TYPE_MAX; ++j) {
- output[j].fields = 0;
- output[j].user_set = true;
- output[j].wildcard_set = true;
- }
- }
- for (tok = strtok(tok, ","); tok; tok = strtok(NULL, ",")) {
- for (i = 0; i < imax; ++i) {
- if (strcmp(tok, all_output_options[i].str) == 0)
- break;
- }
- if (i == imax && strcmp(tok, "flags") == 0) {
- print_flags = true;
- continue;
- }
- if (i == imax) {
- fprintf(stderr, "Invalid field requested.\n");
- rc = -EINVAL;
- goto out;
- }
- if (type == -1) {
- /* add user option to all events types for
- * which it is valid
- */
- for (j = 0; j < PERF_TYPE_MAX; ++j) {
- if (output[j].invalid_fields & all_output_options[i].field) {
- pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
- all_output_options[i].str, event_type(j));
- } else
- output[j].fields |= all_output_options[i].field;
- }
- } else {
- if (output[type].invalid_fields & all_output_options[i].field) {
- fprintf(stderr, "\'%s\' not valid for %s events.\n",
- all_output_options[i].str, event_type(type));
- rc = -EINVAL;
- goto out;
- }
- output[type].fields |= all_output_options[i].field;
- }
- }
- if (type >= 0) {
- if (output[type].fields == 0) {
- pr_debug("No fields requested for %s type. "
- "Events will not be displayed.\n", event_type(type));
- }
- }
- out:
- free(str);
- return rc;
- }
- /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */
- static int is_directory(const char *base_path, const struct dirent *dent)
- {
- char path[PATH_MAX];
- struct stat st;
- sprintf(path, "%s/%s", base_path, dent->d_name);
- if (stat(path, &st))
- return 0;
- return S_ISDIR(st.st_mode);
- }
- #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \
- while ((lang_dirent = readdir(scripts_dir)) != NULL) \
- if ((lang_dirent->d_type == DT_DIR || \
- (lang_dirent->d_type == DT_UNKNOWN && \
- is_directory(scripts_path, lang_dirent))) && \
- (strcmp(lang_dirent->d_name, ".")) && \
- (strcmp(lang_dirent->d_name, "..")))
- #define for_each_script(lang_path, lang_dir, script_dirent) \
- while ((script_dirent = readdir(lang_dir)) != NULL) \
- if (script_dirent->d_type != DT_DIR && \
- (script_dirent->d_type != DT_UNKNOWN || \
- !is_directory(lang_path, script_dirent)))
- #define RECORD_SUFFIX "-record"
- #define REPORT_SUFFIX "-report"
- struct script_desc {
- struct list_head node;
- char *name;
- char *half_liner;
- char *args;
- };
- static LIST_HEAD(script_descs);
- static struct script_desc *script_desc__new(const char *name)
- {
- struct script_desc *s = zalloc(sizeof(*s));
- if (s != NULL && name)
- s->name = strdup(name);
- return s;
- }
- static void script_desc__delete(struct script_desc *s)
- {
- zfree(&s->name);
- zfree(&s->half_liner);
- zfree(&s->args);
- free(s);
- }
- static void script_desc__add(struct script_desc *s)
- {
- list_add_tail(&s->node, &script_descs);
- }
- static struct script_desc *script_desc__find(const char *name)
- {
- struct script_desc *s;
- list_for_each_entry(s, &script_descs, node)
- if (strcasecmp(s->name, name) == 0)
- return s;
- return NULL;
- }
- static struct script_desc *script_desc__findnew(const char *name)
- {
- struct script_desc *s = script_desc__find(name);
- if (s)
- return s;
- s = script_desc__new(name);
- if (!s)
- goto out_delete_desc;
- script_desc__add(s);
- return s;
- out_delete_desc:
- script_desc__delete(s);
- return NULL;
- }
- static const char *ends_with(const char *str, const char *suffix)
- {
- size_t suffix_len = strlen(suffix);
- const char *p = str;
- if (strlen(str) > suffix_len) {
- p = str + strlen(str) - suffix_len;
- if (!strncmp(p, suffix, suffix_len))
- return p;
- }
- return NULL;
- }
- static int read_script_info(struct script_desc *desc, const char *filename)
- {
- char line[BUFSIZ], *p;
- FILE *fp;
- fp = fopen(filename, "r");
- if (!fp)
- return -1;
- while (fgets(line, sizeof(line), fp)) {
- p = ltrim(line);
- if (strlen(p) == 0)
- continue;
- if (*p != '#')
- continue;
- p++;
- if (strlen(p) && *p == '!')
- continue;
- p = ltrim(p);
- if (strlen(p) && p[strlen(p) - 1] == '\n')
- p[strlen(p) - 1] = '\0';
- if (!strncmp(p, "description:", strlen("description:"))) {
- p += strlen("description:");
- desc->half_liner = strdup(ltrim(p));
- continue;
- }
- if (!strncmp(p, "args:", strlen("args:"))) {
- p += strlen("args:");
- desc->args = strdup(ltrim(p));
- continue;
- }
- }
- fclose(fp);
- return 0;
- }
- static char *get_script_root(struct dirent *script_dirent, const char *suffix)
- {
- char *script_root, *str;
- script_root = strdup(script_dirent->d_name);
- if (!script_root)
- return NULL;
- str = (char *)ends_with(script_root, suffix);
- if (!str) {
- free(script_root);
- return NULL;
- }
- *str = '\0';
- return script_root;
- }
- static int list_available_scripts(const struct option *opt __maybe_unused,
- const char *s __maybe_unused,
- int unset __maybe_unused)
- {
- struct dirent *script_dirent, *lang_dirent;
- char scripts_path[MAXPATHLEN];
- DIR *scripts_dir, *lang_dir;
- char script_path[MAXPATHLEN];
- char lang_path[MAXPATHLEN];
- struct script_desc *desc;
- char first_half[BUFSIZ];
- char *script_root;
- snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
- scripts_dir = opendir(scripts_path);
- if (!scripts_dir)
- return -1;
- for_each_lang(scripts_path, scripts_dir, lang_dirent) {
- snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
- lang_dirent->d_name);
- lang_dir = opendir(lang_path);
- if (!lang_dir)
- continue;
- for_each_script(lang_path, lang_dir, script_dirent) {
- script_root = get_script_root(script_dirent, REPORT_SUFFIX);
- if (script_root) {
- desc = script_desc__findnew(script_root);
- snprintf(script_path, MAXPATHLEN, "%s/%s",
- lang_path, script_dirent->d_name);
- read_script_info(desc, script_path);
- free(script_root);
- }
- }
- }
- fprintf(stdout, "List of available trace scripts:\n");
- list_for_each_entry(desc, &script_descs, node) {
- sprintf(first_half, "%s %s", desc->name,
- desc->args ? desc->args : "");
- fprintf(stdout, " %-36s %s\n", first_half,
- desc->half_liner ? desc->half_liner : "");
- }
- exit(0);
- }
- /*
- * Some scripts specify the required events in their "xxx-record" file,
- * this function will check if the events in perf.data match those
- * mentioned in the "xxx-record".
- *
- * Fixme: All existing "xxx-record" are all in good formats "-e event ",
- * which is covered well now. And new parsing code should be added to
- * cover the future complexing formats like event groups etc.
- */
- static int check_ev_match(char *dir_name, char *scriptname,
- struct perf_session *session)
- {
- char filename[MAXPATHLEN], evname[128];
- char line[BUFSIZ], *p;
- struct perf_evsel *pos;
- int match, len;
- FILE *fp;
- sprintf(filename, "%s/bin/%s-record", dir_name, scriptname);
- fp = fopen(filename, "r");
- if (!fp)
- return -1;
- while (fgets(line, sizeof(line), fp)) {
- p = ltrim(line);
- if (*p == '#')
- continue;
- while (strlen(p)) {
- p = strstr(p, "-e");
- if (!p)
- break;
- p += 2;
- p = ltrim(p);
- len = strcspn(p, " \t");
- if (!len)
- break;
- snprintf(evname, len + 1, "%s", p);
- match = 0;
- evlist__for_each(session->evlist, pos) {
- if (!strcmp(perf_evsel__name(pos), evname)) {
- match = 1;
- break;
- }
- }
- if (!match) {
- fclose(fp);
- return -1;
- }
- }
- }
- fclose(fp);
- return 0;
- }
- /*
- * Return -1 if none is found, otherwise the actual scripts number.
- *
- * Currently the only user of this function is the script browser, which
- * will list all statically runnable scripts, select one, execute it and
- * show the output in a perf browser.
- */
- int find_scripts(char **scripts_array, char **scripts_path_array)
- {
- struct dirent *script_dirent, *lang_dirent;
- char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
- DIR *scripts_dir, *lang_dir;
- struct perf_session *session;
- struct perf_data_file file = {
- .path = input_name,
- .mode = PERF_DATA_MODE_READ,
- };
- char *temp;
- int i = 0;
- session = perf_session__new(&file, false, NULL);
- if (!session)
- return -1;
- snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
- scripts_dir = opendir(scripts_path);
- if (!scripts_dir) {
- perf_session__delete(session);
- return -1;
- }
- for_each_lang(scripts_path, scripts_dir, lang_dirent) {
- snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
- lang_dirent->d_name);
- #ifdef NO_LIBPERL
- if (strstr(lang_path, "perl"))
- continue;
- #endif
- #ifdef NO_LIBPYTHON
- if (strstr(lang_path, "python"))
- continue;
- #endif
- lang_dir = opendir(lang_path);
- if (!lang_dir)
- continue;
- for_each_script(lang_path, lang_dir, script_dirent) {
- /* Skip those real time scripts: xxxtop.p[yl] */
- if (strstr(script_dirent->d_name, "top."))
- continue;
- sprintf(scripts_path_array[i], "%s/%s", lang_path,
- script_dirent->d_name);
- temp = strchr(script_dirent->d_name, '.');
- snprintf(scripts_array[i],
- (temp - script_dirent->d_name) + 1,
- "%s", script_dirent->d_name);
- if (check_ev_match(lang_path,
- scripts_array[i], session))
- continue;
- i++;
- }
- closedir(lang_dir);
- }
- closedir(scripts_dir);
- perf_session__delete(session);
- return i;
- }
- static char *get_script_path(const char *script_root, const char *suffix)
- {
- struct dirent *script_dirent, *lang_dirent;
- char scripts_path[MAXPATHLEN];
- char script_path[MAXPATHLEN];
- DIR *scripts_dir, *lang_dir;
- char lang_path[MAXPATHLEN];
- char *__script_root;
- snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
- scripts_dir = opendir(scripts_path);
- if (!scripts_dir)
- return NULL;
- for_each_lang(scripts_path, scripts_dir, lang_dirent) {
- snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
- lang_dirent->d_name);
- lang_dir = opendir(lang_path);
- if (!lang_dir)
- continue;
- for_each_script(lang_path, lang_dir, script_dirent) {
- __script_root = get_script_root(script_dirent, suffix);
- if (__script_root && !strcmp(script_root, __script_root)) {
- free(__script_root);
- closedir(lang_dir);
- closedir(scripts_dir);
- snprintf(script_path, MAXPATHLEN, "%s/%s",
- lang_path, script_dirent->d_name);
- return strdup(script_path);
- }
- free(__script_root);
- }
- closedir(lang_dir);
- }
- closedir(scripts_dir);
- return NULL;
- }
- static bool is_top_script(const char *script_path)
- {
- return ends_with(script_path, "top") == NULL ? false : true;
- }
- static int has_required_arg(char *script_path)
- {
- struct script_desc *desc;
- int n_args = 0;
- char *p;
- desc = script_desc__new(NULL);
- if (read_script_info(desc, script_path))
- goto out;
- if (!desc->args)
- goto out;
- for (p = desc->args; *p; p++)
- if (*p == '<')
- n_args++;
- out:
- script_desc__delete(desc);
- return n_args;
- }
- static int have_cmd(int argc, const char **argv)
- {
- char **__argv = malloc(sizeof(const char *) * argc);
- if (!__argv) {
- pr_err("malloc failed\n");
- return -1;
- }
- memcpy(__argv, argv, sizeof(const char *) * argc);
- argc = parse_options(argc, (const char **)__argv, record_options,
- NULL, PARSE_OPT_STOP_AT_NON_OPTION);
- free(__argv);
- system_wide = (argc == 0);
- return 0;
- }
- static void script__setup_sample_type(struct perf_script *script)
- {
- struct perf_session *session = script->session;
- u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
- if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
- if ((sample_type & PERF_SAMPLE_REGS_USER) &&
- (sample_type & PERF_SAMPLE_STACK_USER))
- callchain_param.record_mode = CALLCHAIN_DWARF;
- else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
- callchain_param.record_mode = CALLCHAIN_LBR;
- else
- callchain_param.record_mode = CALLCHAIN_FP;
- }
- }
- int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
- {
- bool show_full_info = false;
- bool header = false;
- bool header_only = false;
- bool script_started = false;
- char *rec_script_path = NULL;
- char *rep_script_path = NULL;
- struct perf_session *session;
- struct itrace_synth_opts itrace_synth_opts = { .set = false, };
- char *script_path = NULL;
- const char **__argv;
- int i, j, err = 0;
- struct perf_script script = {
- .tool = {
- .sample = process_sample_event,
- .mmap = perf_event__process_mmap,
- .mmap2 = perf_event__process_mmap2,
- .comm = perf_event__process_comm,
- .exit = perf_event__process_exit,
- .fork = perf_event__process_fork,
- .attr = process_attr,
- .tracing_data = perf_event__process_tracing_data,
- .build_id = perf_event__process_build_id,
- .id_index = perf_event__process_id_index,
- .auxtrace_info = perf_event__process_auxtrace_info,
- .auxtrace = perf_event__process_auxtrace,
- .auxtrace_error = perf_event__process_auxtrace_error,
- .ordered_events = true,
- .ordering_requires_timestamps = true,
- },
- };
- struct perf_data_file file = {
- .mode = PERF_DATA_MODE_READ,
- };
- const struct option options[] = {
- OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
- "dump raw trace in ASCII"),
- OPT_INCR('v', "verbose", &verbose,
- "be more verbose (show symbol address, etc)"),
- OPT_BOOLEAN('L', "Latency", &latency_format,
- "show latency attributes (irqs/preemption disabled, etc)"),
- OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
- list_available_scripts),
- OPT_CALLBACK('s', "script", NULL, "name",
- "script file name (lang:script name, script name, or *)",
- parse_scriptname),
- OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
- "generate perf-script.xx script in specified language"),
- OPT_STRING('i', "input", &input_name, "file", "input file name"),
- OPT_BOOLEAN('d', "debug-mode", &debug_mode,
- "do various checks like samples ordering and lost events"),
- OPT_BOOLEAN(0, "header", &header, "Show data header."),
- OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
- OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
- "file", "vmlinux pathname"),
- OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
- "file", "kallsyms pathname"),
- OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
- "When printing symbols do not display call chain"),
- OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
- "Look for files with symbols relative to this directory"),
- OPT_CALLBACK('F', "fields", NULL, "str",
- "comma separated output fields prepend with 'type:'. "
- "Valid types: hw,sw,trace,raw. "
- "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
- "addr,symoff,period,iregs,brstack,brstacksym,flags", parse_output_fields),
- OPT_BOOLEAN('a', "all-cpus", &system_wide,
- "system-wide collection from all CPUs"),
- OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
- "only consider these symbols"),
- OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
- OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
- "only display events for these comms"),
- OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
- "only consider symbols in these pids"),
- OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
- "only consider symbols in these tids"),
- OPT_BOOLEAN('I', "show-info", &show_full_info,
- "display extended information from perf.data file"),
- OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
- "Show the path of [kernel.kallsyms]"),
- OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
- "Show the fork/comm/exit events"),
- OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
- "Show the mmap events"),
- OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
- "Show context switch events (if recorded)"),
- OPT_BOOLEAN('f', "force", &file.force, "don't complain, do it"),
- OPT_BOOLEAN(0, "ns", &nanosecs,
- "Use 9 decimal places when displaying time"),
- OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
- "Instruction Tracing options",
- itrace_parse_synth_opts),
- OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
- "Show full source file name path for source lines"),
- OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
- "Enable symbol demangling"),
- OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
- "Enable kernel symbol demangling"),
- OPT_END()
- };
- const char * const script_subcommands[] = { "record", "report", NULL };
- const char *script_usage[] = {
- "perf script [<options>]",
- "perf script [<options>] record <script> [<record-options>] <command>",
- "perf script [<options>] report <script> [script-args]",
- "perf script [<options>] <script> [<record-options>] <command>",
- "perf script [<options>] <top-script> [script-args]",
- NULL
- };
- setup_scripting();
- argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
- PARSE_OPT_STOP_AT_NON_OPTION);
- file.path = input_name;
- if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
- rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
- if (!rec_script_path)
- return cmd_record(argc, argv, NULL);
- }
- if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
- rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
- if (!rep_script_path) {
- fprintf(stderr,
- "Please specify a valid report script"
- "(see 'perf script -l' for listing)\n");
- return -1;
- }
- }
- if (itrace_synth_opts.callchain &&
- itrace_synth_opts.callchain_sz > scripting_max_stack)
- scripting_max_stack = itrace_synth_opts.callchain_sz;
- /* make sure PERF_EXEC_PATH is set for scripts */
- perf_set_argv_exec_path(perf_exec_path());
- if (argc && !script_name && !rec_script_path && !rep_script_path) {
- int live_pipe[2];
- int rep_args;
- pid_t pid;
- rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
- rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
- if (!rec_script_path && !rep_script_path) {
- usage_with_options_msg(script_usage, options,
- "Couldn't find script `%s'\n\n See perf"
- " script -l for available scripts.\n", argv[0]);
- }
- if (is_top_script(argv[0])) {
- rep_args = argc - 1;
- } else {
- int rec_args;
- rep_args = has_required_arg(rep_script_path);
- rec_args = (argc - 1) - rep_args;
- if (rec_args < 0) {
- usage_with_options_msg(script_usage, options,
- "`%s' script requires options."
- "\n\n See perf script -l for available "
- "scripts and options.\n", argv[0]);
- }
- }
- if (pipe(live_pipe) < 0) {
- perror("failed to create pipe");
- return -1;
- }
- pid = fork();
- if (pid < 0) {
- perror("failed to fork");
- return -1;
- }
- if (!pid) {
- j = 0;
- dup2(live_pipe[1], 1);
- close(live_pipe[0]);
- if (is_top_script(argv[0])) {
- system_wide = true;
- } else if (!system_wide) {
- if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
- err = -1;
- goto out;
- }
- }
- __argv = malloc((argc + 6) * sizeof(const char *));
- if (!__argv) {
- pr_err("malloc failed\n");
- err = -ENOMEM;
- goto out;
- }
- __argv[j++] = "/bin/sh";
- __argv[j++] = rec_script_path;
- if (system_wide)
- __argv[j++] = "-a";
- __argv[j++] = "-q";
- __argv[j++] = "-o";
- __argv[j++] = "-";
- for (i = rep_args + 1; i < argc; i++)
- __argv[j++] = argv[i];
- __argv[j++] = NULL;
- execvp("/bin/sh", (char **)__argv);
- free(__argv);
- exit(-1);
- }
- dup2(live_pipe[0], 0);
- close(live_pipe[1]);
- __argv = malloc((argc + 4) * sizeof(const char *));
- if (!__argv) {
- pr_err("malloc failed\n");
- err = -ENOMEM;
- goto out;
- }
- j = 0;
- __argv[j++] = "/bin/sh";
- __argv[j++] = rep_script_path;
- for (i = 1; i < rep_args + 1; i++)
- __argv[j++] = argv[i];
- __argv[j++] = "-i";
- __argv[j++] = "-";
- __argv[j++] = NULL;
- execvp("/bin/sh", (char **)__argv);
- free(__argv);
- exit(-1);
- }
- if (rec_script_path)
- script_path = rec_script_path;
- if (rep_script_path)
- script_path = rep_script_path;
- if (script_path) {
- j = 0;
- if (!rec_script_path)
- system_wide = false;
- else if (!system_wide) {
- if (have_cmd(argc - 1, &argv[1]) != 0) {
- err = -1;
- goto out;
- }
- }
- __argv = malloc((argc + 2) * sizeof(const char *));
- if (!__argv) {
- pr_err("malloc failed\n");
- err = -ENOMEM;
- goto out;
- }
- __argv[j++] = "/bin/sh";
- __argv[j++] = script_path;
- if (system_wide)
- __argv[j++] = "-a";
- for (i = 2; i < argc; i++)
- __argv[j++] = argv[i];
- __argv[j++] = NULL;
- execvp("/bin/sh", (char **)__argv);
- free(__argv);
- exit(-1);
- }
- if (!script_name)
- setup_pager();
- session = perf_session__new(&file, false, &script.tool);
- if (session == NULL)
- return -1;
- if (header || header_only) {
- perf_session__fprintf_info(session, stdout, show_full_info);
- if (header_only)
- goto out_delete;
- }
- if (symbol__init(&session->header.env) < 0)
- goto out_delete;
- script.session = session;
- script__setup_sample_type(&script);
- session->itrace_synth_opts = &itrace_synth_opts;
- if (cpu_list) {
- err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
- if (err < 0)
- goto out_delete;
- }
- if (!no_callchain)
- symbol_conf.use_callchain = true;
- else
- symbol_conf.use_callchain = false;
- if (session->tevent.pevent &&
- pevent_set_function_resolver(session->tevent.pevent,
- machine__resolve_kernel_addr,
- &session->machines.host) < 0) {
- pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
- return -1;
- }
- if (generate_script_lang) {
- struct stat perf_stat;
- int input;
- if (output_set_by_user()) {
- fprintf(stderr,
- "custom fields not supported for generated scripts");
- err = -EINVAL;
- goto out_delete;
- }
- input = open(file.path, O_RDONLY); /* input_name */
- if (input < 0) {
- err = -errno;
- perror("failed to open file");
- goto out_delete;
- }
- err = fstat(input, &perf_stat);
- if (err < 0) {
- perror("failed to stat file");
- goto out_delete;
- }
- if (!perf_stat.st_size) {
- fprintf(stderr, "zero-sized file, nothing to do!\n");
- goto out_delete;
- }
- scripting_ops = script_spec__lookup(generate_script_lang);
- if (!scripting_ops) {
- fprintf(stderr, "invalid language specifier");
- err = -ENOENT;
- goto out_delete;
- }
- err = scripting_ops->generate_script(session->tevent.pevent,
- "perf-script");
- goto out_delete;
- }
- if (script_name) {
- err = scripting_ops->start_script(script_name, argc, argv);
- if (err)
- goto out_delete;
- pr_debug("perf script started with script %s\n\n", script_name);
- script_started = true;
- }
- err = perf_session__check_output_opt(session);
- if (err < 0)
- goto out_delete;
- err = __cmd_script(&script);
- flush_scripting();
- out_delete:
- perf_session__delete(session);
- if (script_started)
- cleanup_scripting();
- out:
- return err;
- }
|