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perf list: Support for printing metric thresholds

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Add to json output by default. For regular output, only enable with
the --detail flag.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Caleb Biggers <caleb.biggers@intel.com>
Cc: Eduard Zingerman <eddyz87@gmail.com>
Cc: Florian Fischer <florian.fischer@muhq.space>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jing Zhang <renyu.zj@linux.alibaba.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Perry Taylor <perry.taylor@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Sandipan Das <sandipan.das@amd.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Link: https://lore.kernel.org/r/20230219092848.639226-36-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2023-02-19 01:28:32 -08:00 • committed by Arnaldo Carvalho de Melo
parent 62e10d937d
commit c7551a2e33
3 changed files with 16 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

13
tools/perf/builtin-list.c
View file

@ -168,6 +168,7 @@ static void default_print_metric(void *ps,
const char *desc,
const char *long_desc,
const char *expr,
const char *threshold,
const char *unit __maybe_unused)
{
struct print_state *print_state = ps;
@ -227,6 +228,11 @@ static void default_print_metric(void *ps,
wordwrap(expr, 8, pager_get_columns(), 0);
printf("]\n");
}
if (threshold && print_state->detailed) {
printf("%*s", 8, "[");
wordwrap(threshold, 8, pager_get_columns(), 0);
printf("]\n");
}
}
struct json_print_state {
@ -367,7 +373,7 @@ static void json_print_event(void *ps, const char *pmu_name, const char *topic,
static void json_print_metric(void *ps __maybe_unused, const char *group,
const char *name, const char *desc,
const char *long_desc, const char *expr,
const char *unit)
const char *threshold, const char *unit)
{
struct json_print_state *print_state = ps;
bool need_sep = false;
@ -388,6 +394,11 @@ static void json_print_metric(void *ps __maybe_unused, const char *group,
fix_escape_printf(&buf, "%s\t\"MetricExpr\": \"%S\"", need_sep ? ",\n" : "", expr);
need_sep = true;
}
if (threshold) {
fix_escape_printf(&buf, "%s\t\"MetricThreshold\": \"%S\"", need_sep ? ",\n" : "",
threshold);
need_sep = true;
}
if (unit) {
fix_escape_printf(&buf, "%s\t\"ScaleUnit\": \"%S\"", need_sep ? ",\n" : "", unit);
need_sep = true;