diff options
author | Linus Torvalds | 2020-04-05 12:26:24 -0700 |
---|---|---|
committer | Linus Torvalds | 2020-04-05 12:26:24 -0700 |
commit | c48b07226bd41f4053aa2024c5e347183c04deb5 (patch) | |
tree | 85d61650f345829fbb0f64861c463648265c20df /tools/perf/util/event.c | |
parent | d5ca32738f8fbd3632928929cccb5789d44be390 (diff) | |
parent | 7dc41b9b99cd0037a418ac47e342d56a438df649 (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.c | 39 |
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; |