diff options
Diffstat (limited to 'tools')
44 files changed, 970 insertions, 498 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 56d62d3fb16..3b8f7b80376 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -181,9 +181,9 @@ strip-libs = $(filter-out -l%,$(1)) $(OUTPUT)python/perf.so: $(PYRF_OBJS) $(QUIET_GEN)CFLAGS='$(BASIC_CFLAGS)' $(PYTHON_WORD) util/setup.py \ - --quiet build_ext \ - --build-lib='$(OUTPUT)python' \ - --build-temp='$(OUTPUT)python/temp' + --quiet build_ext; \ + mkdir -p $(OUTPUT)python && \ + cp $(PYTHON_EXTBUILD_LIB)perf.so $(OUTPUT)python/ # # No Perl scripts right now: # @@ -509,9 +509,13 @@ else PYTHON_WORD := $(call shell-wordify,$(PYTHON)) - python-clean := $(PYTHON_WORD) util/setup.py clean \ - --build-lib='$(OUTPUT)python' \ - --build-temp='$(OUTPUT)python/temp' + # python extension build directories + PYTHON_EXTBUILD := $(OUTPUT)python_ext_build/ + PYTHON_EXTBUILD_LIB := $(PYTHON_EXTBUILD)lib/ + PYTHON_EXTBUILD_TMP := $(PYTHON_EXTBUILD)tmp/ + export PYTHON_EXTBUILD_LIB PYTHON_EXTBUILD_TMP + + python-clean := rm -rf $(PYTHON_EXTBUILD) $(OUTPUT)python/perf.so ifdef NO_LIBPYTHON $(call disable-python) @@ -868,6 +872,9 @@ install: all $(INSTALL) scripts/python/*.py -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python' $(INSTALL) scripts/python/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin' +install-python_ext: + $(PYTHON_WORD) util/setup.py --quiet install --root='/$(DESTDIR_SQ)' + install-doc: $(MAKE) -C Documentation install @@ -895,7 +902,7 @@ quick-install-html: ### Cleaning rules clean: - $(RM) $(OUTPUT){*.o,*/*.o,*/*/*.o,*/*/*/*.o,$(LIB_FILE),perf-archive} + $(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf.o $(LANG_BINDINGS) $(RM) $(ALL_PROGRAMS) perf $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(MAKE) -C Documentation/ clean diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index 9ac05aafd9b..899080ace26 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -942,10 +942,10 @@ static const char *record_args[] = { "-f", "-m", "1024", "-c", "1", - "-e", "lock:lock_acquire:r", - "-e", "lock:lock_acquired:r", - "-e", "lock:lock_contended:r", - "-e", "lock:lock_release:r", + "-e", "lock:lock_acquire", + "-e", "lock:lock_acquired", + "-e", "lock:lock_contended", + "-e", "lock:lock_release", }; static int __cmd_record(int argc, const char **argv) diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index 5f2a5c7046d..710ae3d0a48 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -134,10 +134,18 @@ static int opt_show_lines(const struct option *opt __used, { int ret = 0; - if (str) - ret = parse_line_range_desc(str, ¶ms.line_range); - INIT_LIST_HEAD(¶ms.line_range.line_list); + if (!str) + return 0; + + if (params.show_lines) { + pr_warning("Warning: more than one --line options are" + " detected. Only the first one is valid.\n"); + return 0; + } + params.show_lines = true; + ret = parse_line_range_desc(str, ¶ms.line_range); + INIT_LIST_HEAD(¶ms.line_range.line_list); return ret; } diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 80dc5b790e4..6b0519f885e 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -30,8 +30,6 @@ #include <sched.h> #include <sys/mman.h> -#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) - enum write_mode_t { WRITE_FORCE, WRITE_APPEND @@ -47,7 +45,7 @@ static int freq = 1000; static int output; static int pipe_output = 0; static const char *output_name = NULL; -static int group = 0; +static bool group = false; static int realtime_prio = 0; static bool nodelay = false; static bool raw_samples = false; @@ -438,7 +436,6 @@ static void mmap_read_all(void) static int __cmd_record(int argc, const char **argv) { - int i; struct stat st; int flags; int err; @@ -682,7 +679,6 @@ static int __cmd_record(int argc, const char **argv) for (;;) { int hits = samples; - int thread; mmap_read_all(); @@ -693,19 +689,8 @@ static int __cmd_record(int argc, const char **argv) waking++; } - if (done) { - for (i = 0; i < evsel_list->cpus->nr; i++) { - struct perf_evsel *pos; - - list_for_each_entry(pos, &evsel_list->entries, node) { - for (thread = 0; - thread < evsel_list->threads->nr; - thread++) - ioctl(FD(pos, i, thread), - PERF_EVENT_IOC_DISABLE); - } - } - } + if (done) + perf_evlist__disable(evsel_list); } if (quiet || signr == SIGUSR1) @@ -768,6 +753,8 @@ const struct option record_options[] = { "child tasks do not inherit counters"), OPT_UINTEGER('F', "freq", &user_freq, "profile at this frequency"), OPT_UINTEGER('m', "mmap-pages", &mmap_pages, "number of mmap data pages"), + OPT_BOOLEAN(0, "group", &group, + "put the counters into a counter group"), OPT_BOOLEAN('g', "call-graph", &call_graph, "do call-graph (stack chain/backtrace) recording"), OPT_INCR('v', "verbose", &verbose, diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index f854efda768..d7ff277bdb7 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -162,23 +162,22 @@ static int perf_session__setup_sample_type(struct perf_session *self) { if (!(self->sample_type & PERF_SAMPLE_CALLCHAIN)) { if (sort__has_parent) { - fprintf(stderr, "selected --sort parent, but no" - " callchain data. Did you call" - " perf record without -g?\n"); + ui__warning("Selected --sort parent, but no " + "callchain data. Did you call " + "'perf record' without -g?\n"); return -EINVAL; } if (symbol_conf.use_callchain) { - fprintf(stderr, "selected -g but no callchain data." - " Did you call perf record without" - " -g?\n"); + ui__warning("Selected -g but no callchain data. Did " + "you call 'perf record' without -g?\n"); return -1; } } else if (!dont_use_callchains && callchain_param.mode != CHAIN_NONE && !symbol_conf.use_callchain) { symbol_conf.use_callchain = true; if (callchain_register_param(&callchain_param) < 0) { - fprintf(stderr, "Can't register callchain" - " params\n"); + ui__warning("Can't register callchain " + "params.\n"); return -EINVAL; } } diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index dcfe8873c9a..5177964943e 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -1637,23 +1637,29 @@ static struct perf_event_ops event_ops = { .ordered_samples = true, }; -static int read_events(void) +static void read_events(bool destroy, struct perf_session **psession) { int err = -EINVAL; struct perf_session *session = perf_session__new(input_name, O_RDONLY, 0, false, &event_ops); if (session == NULL) - return -ENOMEM; + die("No Memory"); if (perf_session__has_traces(session, "record -R")) { err = perf_session__process_events(session, &event_ops); + if (err) + die("Failed to process events, error %d", err); + nr_events = session->hists.stats.nr_events[0]; nr_lost_events = session->hists.stats.total_lost; nr_lost_chunks = session->hists.stats.nr_events[PERF_RECORD_LOST]; } - perf_session__delete(session); - return err; + if (destroy) + perf_session__delete(session); + + if (psession) + *psession = session; } static void print_bad_events(void) @@ -1689,9 +1695,10 @@ static void print_bad_events(void) static void __cmd_lat(void) { struct rb_node *next; + struct perf_session *session; setup_pager(); - read_events(); + read_events(false, &session); sort_lat(); printf("\n ---------------------------------------------------------------------------------------------------------------\n"); @@ -1717,6 +1724,7 @@ static void __cmd_lat(void) print_bad_events(); printf("\n"); + perf_session__delete(session); } static struct trace_sched_handler map_ops = { @@ -1731,7 +1739,7 @@ static void __cmd_map(void) max_cpu = sysconf(_SC_NPROCESSORS_CONF); setup_pager(); - read_events(); + read_events(true, NULL); print_bad_events(); } @@ -1744,7 +1752,7 @@ static void __cmd_replay(void) test_calibrations(); - read_events(); + read_events(true, NULL); printf("nr_run_events: %ld\n", nr_run_events); printf("nr_sleep_events: %ld\n", nr_sleep_events); @@ -1769,7 +1777,7 @@ static void __cmd_replay(void) static const char * const sched_usage[] = { - "perf sched [<options>] {record|latency|map|replay|trace}", + "perf sched [<options>] {record|latency|map|replay|script}", NULL }; diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 1ad04ce29c3..5deb17d9e79 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -193,6 +193,7 @@ static int big_num_opt = -1; static const char *cpu_list; static const char *csv_sep = NULL; static bool csv_output = false; +static bool group = false; static volatile int done = 0; @@ -280,14 +281,14 @@ static int create_perf_stat_counter(struct perf_evsel *evsel) attr->inherit = !no_inherit; if (system_wide) - return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, false); + return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, group); if (target_pid == -1 && target_tid == -1) { attr->disabled = 1; attr->enable_on_exec = 1; } - return perf_evsel__open_per_thread(evsel, evsel_list->threads, false); + return perf_evsel__open_per_thread(evsel, evsel_list->threads, group); } /* @@ -1043,6 +1044,8 @@ static const struct option options[] = { "stat events on existing thread id"), OPT_BOOLEAN('a', "all-cpus", &system_wide, "system-wide collection from all CPUs"), + OPT_BOOLEAN('g', "group", &group, + "put the counters into a counter group"), OPT_BOOLEAN('c', "scale", &scale, "scale/normalize counters"), OPT_INCR('v', "verbose", &verbose, diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c index e02d78cae70..fe02903f7d0 100644 --- a/tools/perf/util/config.c +++ b/tools/perf/util/config.c @@ -399,7 +399,6 @@ static int perf_config_global(void) int perf_config(config_fn_t fn, void *data) { int ret = 0, found = 0; - char *repo_config = NULL; const char *home = NULL; /* Setting $PERF_CONFIG makes perf read _only_ the given config file. */ @@ -414,19 +413,32 @@ int perf_config(config_fn_t fn, void *data) home = getenv("HOME"); if (perf_config_global() && home) { char *user_config = strdup(mkpath("%s/.perfconfig", home)); - if (!access(user_config, R_OK)) { - ret += perf_config_from_file(fn, user_config, data); - found += 1; + struct stat st; + + if (user_config == NULL) { + warning("Not enough memory to process %s/.perfconfig, " + "ignoring it.", home); + goto out; } - free(user_config); - } - repo_config = perf_pathdup("config"); - if (!access(repo_config, R_OK)) { - ret += perf_config_from_file(fn, repo_config, data); + if (stat(user_config, &st) < 0) + goto out_free; + + if (st.st_uid && (st.st_uid != geteuid())) { + warning("File %s not owned by current user or root, " + "ignoring it.", user_config); + goto out_free; + } + + if (!st.st_size) + goto out_free; + + ret += perf_config_from_file(fn, user_config, data); found += 1; +out_free: + free(user_config); } - free(repo_config); +out: if (found == 0) return -1; return ret; diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c index fddf40f30d3..ee51e9b4dc0 100644 --- a/tools/perf/util/dwarf-aux.c +++ b/tools/perf/util/dwarf-aux.c @@ -96,6 +96,39 @@ int cu_find_lineinfo(Dwarf_Die *cu_die, unsigned long addr, return *lineno ?: -ENOENT; } +static int __die_find_inline_cb(Dwarf_Die *die_mem, void *data); + +/** + * cu_walk_functions_at - Walk on function DIEs at given address + * @cu_die: A CU DIE + * @addr: An address + * @callback: A callback which called with found DIEs + * @data: A user data + * + * Walk on function DIEs at given @addr in @cu_die. Passed DIEs + * should be subprogram or inlined-subroutines. + */ +int cu_walk_functions_at(Dwarf_Die *cu_die, Dwarf_Addr addr, + int (*callback)(Dwarf_Die *, void *), void *data) +{ + Dwarf_Die die_mem; + Dwarf_Die *sc_die; + int ret = -ENOENT; + + /* Inlined function could be recursive. Trace it until fail */ + for (sc_die = die_find_realfunc(cu_die, addr, &die_mem); + sc_die != NULL; + sc_die = die_find_child(sc_die, __die_find_inline_cb, &addr, + &die_mem)) { + ret = callback(sc_die, data); + if (ret) + break; + } + + return ret; + +} + /** * die_compare_name - Compare diename and tname * @dw_die: a DIE @@ -198,6 +231,19 @@ static int die_get_attr_udata(Dwarf_Die *tp_die, unsigned int attr_name, return 0; } +/* Get attribute and translate it as a sdata */ +static int die_get_attr_sdata(Dwarf_Die *tp_die, unsigned int attr_name, + Dwarf_Sword *result) +{ + Dwarf_Attribute attr; + + if (dwarf_attr(tp_die, attr_name, &attr) == NULL || + dwarf_formsdata(&attr, result) != 0) + return -ENOENT; + + return 0; +} + /** * die_is_signed_type - Check whether a type DIE is signed or not * @tp_die: a DIE of a type @@ -250,6 +296,50 @@ int die_get_data_member_location(Dwarf_Die *mb_die, Dwarf_Word *offs) return 0; } +/* Get the call file index number in CU DIE */ +static int die_get_call_fileno(Dwarf_Die *in_die) +{ + Dwarf_Sword idx; + + if (die_get_attr_sdata(in_die, DW_AT_call_file, &idx) == 0) + return (int)idx; + else + return -ENOENT; +} + +/* Get the declared file index number in CU DIE */ +static int die_get_decl_fileno(Dwarf_Die *pdie) +{ + Dwarf_Sword idx; + + if (die_get_attr_sdata(pdie, DW_AT_decl_file, &idx) == 0) + return (int)idx; + else + return -ENOENT; +} + +/** + * die_get_call_file - Get callsite file name of inlined function instance + * @in_die: a DIE of an inlined function instance + * + * Get call-site file name of @in_die. This means from which file the inline + * function is called. + */ +const char *die_get_call_file(Dwarf_Die *in_die) +{ + Dwarf_Die cu_die; + Dwarf_Files *files; + int idx; + + idx = die_get_call_fileno(in_die); + if (idx < 0 || !dwarf_diecu(in_die, &cu_die, NULL, NULL) || + dwarf_getsrcfiles(&cu_die, &files, NULL) != 0) + return NULL; + + return dwarf_filesrc(files, idx, NULL, NULL); +} + + /** * die_find_child - Generic DIE search function in DIE tree * @rt_die: a root DIE @@ -374,9 +464,78 @@ Dwarf_Die *die_find_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr, return die_mem; } +struct __instance_walk_param { + void *addr; + int (*callback)(Dwarf_Die *, void *); + void *data; + int retval; +}; + +static int __die_walk_instances_cb(Dwarf_Die *inst, void *data) +{ + struct __instance_walk_param *iwp = data; + Dwarf_Attribute attr_mem; + Dwarf_Die origin_mem; + Dwarf_Attribute *attr; + Dwarf_Die *origin; + int tmp; + + attr = dwarf_attr(inst, DW_AT_abstract_origin, &attr_mem); + if (attr == NULL) + return DIE_FIND_CB_CONTINUE; + + origin = dwarf_formref_die(attr, &origin_mem); + if (origin == NULL || origin->addr != iwp->addr) + return DIE_FIND_CB_CONTINUE; + + /* Ignore redundant instances */ + if (dwarf_tag(inst) == DW_TAG_inlined_subroutine) { + dwarf_decl_line(origin, &tmp); + if (die_get_call_lineno(inst) == tmp) { + tmp = die_get_decl_fileno(origin); + if (die_get_call_fileno(inst) == tmp) + return DIE_FIND_CB_CONTINUE; + } + } + + iwp->retval = iwp->callback(inst, iwp->data); + + return (iwp->retval) ? DIE_FIND_CB_END : DIE_FIND_CB_CONTINUE; +} + +/** + * die_walk_instances - Walk on instances of given DIE + * @or_die: an abstract original DIE + * @callback: a callback function which is called with instance DIE + * @data: user data + * + * Walk on the instances of give @in_die. @in_die must be an inlined function + * declartion. This returns the return value of @callback if it returns + * non-zero value, or -ENOENT if there is no instance. + */ +int die_walk_instances(Dwarf_Die *or_die, int (*callback)(Dwarf_Die *, void *), + void *data) +{ + Dwarf_Die cu_die; + Dwarf_Die die_mem; + struct __instance_walk_param iwp = { + .addr = or_die->addr, + .callback = callback, + .data = data, + .retval = -ENOENT, + }; + + if (dwarf_diecu(or_die, &cu_die, NULL, NULL) == NULL) + return -ENOENT; + + die_find_child(&cu_die, __die_walk_instances_cb, &iwp, &die_mem); + + return iwp.retval; +} + /* Line walker internal parameters */ struct __line_walk_param { - const char *fname; + bool recursive; line_walk_callback_t callback; void *data; int retval; @@ -385,39 +544,56 @@ struct __line_walk_param { static int __die_walk_funclines_cb(Dwarf_Die *in_die, void *data) { struct __line_walk_param *lw = data; - Dwarf_Addr addr; + Dwarf_Addr addr = 0; + const char *fname; int lineno; if (dwarf_tag(in_die) == DW_TAG_inlined_subroutine) { + fname = die_get_call_file(in_die); lineno = die_get_call_lineno(in_die); - if (lineno > 0 && dwarf_entrypc(in_die, &addr) == 0) { - lw->retval = lw->callback(lw->fname, lineno, addr, - lw->data); + if (fname && lineno > 0 && dwarf_entrypc(in_die, &addr) == 0) { + lw->retval = lw->callback(fname, lineno, addr, lw->data); if (lw->retval != 0) return DIE_FIND_CB_END; } } - return DIE_FIND_CB_SIBLING; + if (!lw->recursive) + /* Don't need to search recursively */ + return DIE_FIND_CB_SIBLING; + + if (addr) { + fname = dwarf_decl_file(in_die); + if (fname && dwarf_decl_line(in_die, &lineno) == 0) { + lw->retval = lw->callback(fname, lineno, addr, lw->data); + if (lw->retval != 0) + return DIE_FIND_CB_END; + } + } + + /* Continue to search nested inlined function call-sites */ + return DIE_FIND_CB_CONTINUE; } /* Walk on lines of blocks included in given DIE */ -static int __die_walk_funclines(Dwarf_Die *sp_die, +static int __die_walk_funclines(Dwarf_Die *sp_die, bool recursive, line_walk_callback_t callback, void *data) { struct __line_walk_param lw = { + .recursive = recursive, .callback = callback, .data = data, .retval = 0, }; Dwarf_Die die_mem; Dwarf_Addr addr; + const char *fname; int lineno; /* Handle function declaration line */ - lw.fname = dwarf_decl_file(sp_die); - if (lw.fname && dwarf_decl_line(sp_die, &lineno) == 0 && + fname = dwarf_decl_file(sp_die); + if (fname && dwarf_decl_line(sp_die, &lineno) == 0 && dwarf_entrypc(sp_die, &addr) == 0) { - lw.retval = callback(lw.fname, lineno, addr, data); + lw.retval = callback(fname, lineno, addr, data); if (lw.retval != 0) goto done; } @@ -430,7 +606,7 @@ static int __die_walk_culines_cb(Dwarf_Die *sp_die, void *data) { struct __line_walk_param *lw = data; - lw->retval = __die_walk_funclines(sp_die, lw->callback, lw->data); + lw->retval = __die_walk_funclines(sp_die, true, lw->callback, lw->data); if (lw->retval != 0) return DWARF_CB_ABORT; @@ -439,7 +615,7 @@ static int __die_walk_culines_cb(Dwarf_Die *sp_die, void *data) /** * die_walk_lines - Walk on lines inside given DIE - * @rt_die: a root DIE (CU or subprogram) + * @rt_die: a root DIE (CU, subprogram or inlined_subroutine) * @callback: callback routine * @data: user data * @@ -460,12 +636,12 @@ int die_walk_lines(Dwarf_Die *rt_die, line_walk_callback_t callback, void *data) size_t nlines, i; /* Get the CU die */ - if (dwarf_tag(rt_die) == DW_TAG_subprogram) + if (dwarf_tag(rt_die) != DW_TAG_compile_unit) cu_die = dwarf_diecu(rt_die, &die_mem, NULL, NULL); else cu_die = rt_die; if (!cu_die) { - pr_debug2("Failed to get CU from subprogram\n"); + pr_debug2("Failed to get CU from given DIE.\n"); return -EINVAL; } @@ -509,7 +685,11 @@ int die_walk_lines(Dwarf_Die *rt_die, line_walk_callback_t callback, void *data) * subroutines. We have to check functions list or given function. */ if (rt_die != cu_die) - ret = __die_walk_funclines(rt_die, callback, data); + /* + * Don't need walk functions recursively, because nested + * inlined functions don't have lines of the specified DIE. + */ + ret = __die_walk_funclines(rt_die, false, callback, data); else { struct __line_walk_param param = { .callback = callback, diff --git a/tools/perf/util/dwarf-aux.h b/tools/perf/util/dwarf-aux.h index bc3b21167e7..6ce1717784b 100644 --- a/tools/perf/util/dwarf-aux.h +++ b/tools/perf/util/dwarf-aux.h @@ -34,12 +34,19 @@ extern const char *cu_get_comp_dir(Dwarf_Die *cu_die); extern int cu_find_lineinfo(Dwarf_Die *cudie, unsigned long addr, const char **fname, int *lineno); +/* Walk on funcitons at given address */ +extern int cu_walk_functions_at(Dwarf_Die *cu_die, Dwarf_Addr addr, + int (*callback)(Dwarf_Die *, void *), void *data); + /* Compare diename and tname */ extern bool die_compare_name(Dwarf_Die *dw_die, const char *tname); /* Get callsite line number of inline-function instance */ extern int die_get_call_lineno(Dwarf_Die *in_die); +/* Get callsite file name of inlined function instance */ +extern const char *die_get_call_file(Dwarf_Die *in_die); + /* Get type die */ extern Dwarf_Die *die_get_type(Dwarf_Die *vr_die, Dwarf_Die *die_mem); @@ -73,6 +80,10 @@ extern Dwarf_Die *die_find_realfunc(Dwarf_Die *cu_die, Dwarf_Addr addr, extern Dwarf_Die *die_find_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr, Dwarf_Die *die_mem); +/* Walk on the instances of given DIE */ +extern int die_walk_instances(Dwarf_Die *in_die, + int (*callback)(Dwarf_Die *, void *), void *data); + /* Walker on lines (Note: line number will not be sorted) */ typedef int (* line_walk_callback_t) (const char *fname, int lineno, Dwarf_Addr addr, void *data); diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index b021ea9265c..c12bd476c6f 100644 --- a/ |