aboutsummaryrefslogtreecommitdiff
path: root/tools/perf/util/event.c
diff options
context:
space:
mode:
authorLinus Torvalds2020-04-05 12:26:24 -0700
committerLinus Torvalds2020-04-05 12:26:24 -0700
commitc48b07226bd41f4053aa2024c5e347183c04deb5 (patch)
tree85d61650f345829fbb0f64861c463648265c20df /tools/perf/util/event.c
parentd5ca32738f8fbd3632928929cccb5789d44be390 (diff)
parent7dc41b9b99cd0037a418ac47e342d56a438df649 (diff)
Merge tag 'perf-urgent-2020-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull more perf updates from Thomas Gleixner: "Perf updates all over the place: core: - Support for cgroup tracking in samples to allow cgroup based analysis tools: - Support for cgroup analysis - Commandline option and hotkey for perf top to change the sort order - A set of fixes all over the place - Various build system related improvements - Updates of the X86 pmu event JSON data - Documentation updates" * tag 'perf-urgent-2020-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (55 commits) perf python: Fix clang detection to strip out options passed in $CC perf tools: Support Python 3.8+ in Makefile perf script: Fix invalid read of directory entry after closedir() perf script report: Fix SEGFAULT when using DWARF mode perf script: add -S/--symbols documentation perf pmu-events x86: Use CPU_CLK_UNHALTED.THREAD in Kernel_Utilization metric perf events parser: Add missing Intel CPU events to parser perf script: Allow --symbol to accept hexadecimal addresses perf report/top TUI: Fix title line formatting perf top: Support hotkey to change sort order perf top: Support --group-sort-idx to change the sort order perf symbols: Fix arm64 gap between kernel start and module end perf build-test: Honour JOBS to override detection of number of cores perf script: Add --show-cgroup-events option perf top: Add --all-cgroups option perf record: Add --all-cgroups option perf record: Support synthesizing cgroup events perf report: Add 'cgroup' sort key perf cgroup: Maintain cgroup hierarchy perf tools: Basic support for CGROUP event ...
Diffstat (limited to 'tools/perf/util/event.c')
-rw-r--r--tools/perf/util/event.c39
1 files changed, 35 insertions, 4 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index c5447ff516a2..dc0e11214ae1 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -54,6 +54,7 @@ static const char *perf_event__names[] = {
[PERF_RECORD_NAMESPACES] = "NAMESPACES",
[PERF_RECORD_KSYMBOL] = "KSYMBOL",
[PERF_RECORD_BPF_EVENT] = "BPF_EVENT",
+ [PERF_RECORD_CGROUP] = "CGROUP",
[PERF_RECORD_HEADER_ATTR] = "ATTR",
[PERF_RECORD_HEADER_EVENT_TYPE] = "EVENT_TYPE",
[PERF_RECORD_HEADER_TRACING_DATA] = "TRACING_DATA",
@@ -180,6 +181,12 @@ size_t perf_event__fprintf_namespaces(union perf_event *event, FILE *fp)
return ret;
}
+size_t perf_event__fprintf_cgroup(union perf_event *event, FILE *fp)
+{
+ return fprintf(fp, " cgroup: %" PRI_lu64 " %s\n",
+ event->cgroup.id, event->cgroup.path);
+}
+
int perf_event__process_comm(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
@@ -196,6 +203,14 @@ int perf_event__process_namespaces(struct perf_tool *tool __maybe_unused,
return machine__process_namespaces_event(machine, event, sample);
}
+int perf_event__process_cgroup(struct perf_tool *tool __maybe_unused,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ return machine__process_cgroup_event(machine, event, sample);
+}
+
int perf_event__process_lost(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
@@ -417,6 +432,9 @@ size_t perf_event__fprintf(union perf_event *event, FILE *fp)
case PERF_RECORD_NAMESPACES:
ret += perf_event__fprintf_namespaces(event, fp);
break;
+ case PERF_RECORD_CGROUP:
+ ret += perf_event__fprintf_cgroup(event, fp);
+ break;
case PERF_RECORD_MMAP2:
ret += perf_event__fprintf_mmap2(event, fp);
break;
@@ -599,10 +617,23 @@ int machine__resolve(struct machine *machine, struct addr_location *al,
al->sym = map__find_symbol(al->map, al->addr);
}
- if (symbol_conf.sym_list &&
- (!al->sym || !strlist__has_entry(symbol_conf.sym_list,
- al->sym->name))) {
- al->filtered |= (1 << HIST_FILTER__SYMBOL);
+ if (symbol_conf.sym_list) {
+ int ret = 0;
+ char al_addr_str[32];
+ size_t sz = sizeof(al_addr_str);
+
+ if (al->sym) {
+ ret = strlist__has_entry(symbol_conf.sym_list,
+ al->sym->name);
+ }
+ if (!(ret && al->sym)) {
+ snprintf(al_addr_str, sz, "0x%"PRIx64,
+ al->map->unmap_ip(al->map, al->sym->start));
+ ret = strlist__has_entry(symbol_conf.sym_list,
+ al_addr_str);
+ }
+ if (!ret)
+ al->filtered |= (1 << HIST_FILTER__SYMBOL);
}
return 0;