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SUSE:SLE-15-SP3:Update
perf
perf-stat-increase-perf-metric-output-resolutio...
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File perf-stat-increase-perf-metric-output-resolution.patch of Package perf
From: "Paul A. Clarke" <pc@us.ibm.com> Date: Thu, 7 May 2020 09:18:07 -0500 Subject: perf stat: Increase perf metric output resolution Git-commit: d4d5ca0baac3de82c00ebc7677ee84537c31ba3c Patch-mainline: v5.8-rc1 References: jsc#SLE-13611 Add another digit of precision to the perf metrics output. Before: $ /usr/bin/perf stat --metrics run_cpi /bin/ls [...] 4,345,526 pm_run_cyc # 1.1 run_cpi 3,818,069 pm_run_inst_cmpl [...] $ /usr/bin/perf stat --metrics run_cpi --metric-only /bin/ls [...] run_cpi 1.1 [...] After: $ perf stat --metrics run_cpi /bin/ls [...] 4,280,882 pm_run_cyc # 1.12 run_cpi 3,817,016 pm_run_inst_cmpl [...] $ perf stat --metrics run_cpi --metric-only /bin/ls [...] run_cpi 1.06 [...] Cc: Andi Kleen <ak@linux.intel.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Paul Clarke <pc@us.ibm.com> LPU-Reference: 1588861087-31280-1-git-send-email-pc@us.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Tony Jones <tonyj@suse.de> --- tools/perf/util/stat-shadow.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index 129b8c5f2538..9bd7a8d2a858 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -797,7 +797,7 @@ static void generic_metric(struct perf_stat_config *config, print_metric(config, ctxp, NULL, "%8.1f", metric_bf, ratio); } else { - print_metric(config, ctxp, NULL, "%8.1f", + print_metric(config, ctxp, NULL, "%8.2f", metric_name ? metric_name : out->force_header ? name : "",
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