diff options
| author | Ian Rogers <irogers@google.com> | 2026-01-26 14:05:50 -0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2026-01-27 01:35:47 -0300 |
| commit | 4b870f62c5079b48a6a19c852f4db5d2569a5239 (patch) | |
| tree | e941e26ec2a92f3216315e8b86f36091530e31cf /tools/perf | |
| parent | f33e7aa42ea79f2142f073df777c01125def45e5 (diff) | |
perf thread-stack: Switch thread_stack__init() to use e_machine
The architecture type is used to set the retpoline state.
Rather than use the arch string switch to using the ELF machine that's
readily available within the thread.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Shimin Guo <shimin.guo@skydio.com>
Cc: Yujie Liu <yujie.liu@intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/thread-stack.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/thread-stack.c b/tools/perf/util/thread-stack.c index c6a0a27b12c2..c5ce741b0744 100644 --- a/tools/perf/util/thread-stack.c +++ b/tools/perf/util/thread-stack.c @@ -157,10 +157,10 @@ static int thread_stack__init(struct thread_stack *ts, struct thread *thread, if (thread__maps(thread) && maps__machine(thread__maps(thread))) { struct machine *machine = maps__machine(thread__maps(thread)); - const char *arch = perf_env__arch(machine->env); + uint16_t e_machine = thread__e_machine(thread, machine, /*e_flags=*/NULL); ts->kernel_start = machine__kernel_start(machine); - if (!strcmp(arch, "x86")) + if (e_machine == EM_X86_64 || e_machine == EM_386) ts->rstate = X86_RETPOLINE_POSSIBLE; } else { ts->kernel_start = 1ULL << 63; |