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perf
perf-tools-add-aux-output-config-term.patch
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File perf-tools-add-aux-output-config-term.patch of Package perf
From: Adrian Hunter <adrian.hunter@intel.com> Date: Tue, 6 Aug 2019 11:46:05 +0300 Subject: perf tools: Add aux-output config term Git-commit: 1b9921546a9641aefc4a52c1c635b96b67142993 Patch-mainline: v5.4-rc1 References: JIRA#SLE-9874 Expose the aux_output attribute flag to the user to configure, by adding a config term 'aux-output'. For events that support it, selection of 'aux-output' causes the generation of AUX records instead of event records. This requires that an AUX area event is also provided. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190806084606.4021-7-alexander.shishkin@linux.intel.com Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Tony Jones <tonyj@suse.de> --- tools/perf/Documentation/perf-record.txt | 2 ++ tools/perf/util/evsel.c | 3 +++ tools/perf/util/evsel.h | 2 ++ tools/perf/util/parse-events.c | 8 ++++++++ tools/perf/util/parse-events.h | 1 + tools/perf/util/parse-events.l | 1 + 6 files changed, 17 insertions(+) diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index d5e58e0a2bca..c6f9f31b6039 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -60,6 +60,8 @@ OPTIONS - 'name' : User defined event name. Single quotes (') may be used to escape symbols in the name from parsing by shell and tool like this: name=\'CPU_CLK_UNHALTED.THREAD:cmask=0x1\'. + - 'aux-output': Generate AUX records instead of events. This requires + that an AUX area event is also provided. See the linkperf:perf-list[1] man page for more parameters. diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 897a97af2d81..5da40511546b 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -833,6 +833,9 @@ static void apply_config_terms(struct evsel *evsel, break; case PERF_EVSEL__CONFIG_TERM_PERCORE: break; + case PERF_EVSEL__CONFIG_TERM_AUX_OUTPUT: + attr->aux_output = term->val.aux_output ? 1 : 0; + break; default: break; } diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 3cf35aa782b9..8a316dd54cd0 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -52,6 +52,7 @@ enum term_type { PERF_EVSEL__CONFIG_TERM_DRV_CFG, PERF_EVSEL__CONFIG_TERM_BRANCH, PERF_EVSEL__CONFIG_TERM_PERCORE, + PERF_EVSEL__CONFIG_TERM_AUX_OUTPUT, }; struct perf_evsel_config_term { @@ -70,6 +71,7 @@ struct perf_evsel_config_term { char *branch; unsigned long max_events; bool percore; + bool aux_output; } val; bool weak; }; diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 2cfec3b7a982..9101568946d2 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -963,6 +963,7 @@ static const char *config_term_names[__PARSE_EVENTS__TERM_TYPE_NR] = { [PARSE_EVENTS__TERM_TYPE_NOOVERWRITE] = "no-overwrite", [PARSE_EVENTS__TERM_TYPE_DRV_CFG] = "driver-config", [PARSE_EVENTS__TERM_TYPE_PERCORE] = "percore", + [PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT] = "aux-output", }; static bool config_term_shrinked; @@ -1083,6 +1084,9 @@ do { \ return -EINVAL; } break; + case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT: + CHECK_TYPE_VAL(NUM); + break; default: err->str = strdup("unknown term"); err->idx = term->err_term; @@ -1133,6 +1137,7 @@ static int config_term_tracepoint(struct perf_event_attr *attr, case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS: case PARSE_EVENTS__TERM_TYPE_OVERWRITE: case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: + case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT: return config_term_common(attr, term, err); default: if (err) { @@ -1225,6 +1230,9 @@ do { \ ADD_CONFIG_TERM(PERCORE, percore, term->val.num ? true : false); break; + case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT: + ADD_CONFIG_TERM(AUX_OUTPUT, aux_output, term->val.num ? 1 : 0); + break; default: break; } diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index 48111b8fc232..616ca1eda0eb 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -76,6 +76,7 @@ enum { PARSE_EVENTS__TERM_TYPE_OVERWRITE, PARSE_EVENTS__TERM_TYPE_DRV_CFG, PARSE_EVENTS__TERM_TYPE_PERCORE, + PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT, __PARSE_EVENTS__TERM_TYPE_NR, }; diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index ca6098874fe2..7469497cd28e 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -284,6 +284,7 @@ no-inherit { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NOINHERIT); } overwrite { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_OVERWRITE); } no-overwrite { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NOOVERWRITE); } percore { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_PERCORE); } +aux-output { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT); } , { return ','; } "/" { BEGIN(INITIAL); return '/'; } {name_minus} { return str(yyscanner, PE_NAME); }
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