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authorArnaldo Carvalho de Melo <acme@redhat.com>2023-10-05 10:29:38 -0300
committerNamhyung Kim <namhyung@kernel.org>2023-10-12 10:01:55 -0700
commit29a2fd7c72b3bd8b67bcee363f8068275a4ef351 (patch)
tree031bc6b782563964aef705d65e8fc8122644aef4
parent03ff4c6b3e41b3530c6c88cc91a7af599322eb89 (diff)
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perf symbols: Add 'intel_idle_ibrs' to the list of idle symbols
This is a longstanding to do list entry: we need a way to see that a sample took place while in idle state, as the current way to do it is to infer that by the name of the functions that in such state have more samples, IOW: a hack. Maybe we can do flip a bit in samples that take place inside the enter/exit idle section in do_idle()? But till then, add one more :-\ Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Frederic Weisbecker <frederic@kernel.org> Link: https://lore.kernel.org/r/ZR66Qgbcltt+zG7F@kernel.org Signed-off-by: Namhyung Kim <namhyung@kernel.org>
-rw-r--r--tools/perf/util/symbol.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 2740d4457c13..96587fd7a5a2 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -718,6 +718,7 @@ static bool symbol__is_idle(const char *name)
"cpu_startup_entry",
"idle_cpu",
"intel_idle",
+ "intel_idle_ibrs",
"default_idle",
"native_safe_halt",
"enter_idle",