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perf thread: Add optional e_flags output argument to thread__e_machine

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The e_flags are needed to accurately compute complete perf register
information for CSKY.

Add the ability to read and have this value associated with a thread.

This change doesn't wire up the use of the e_flags except in disasm
where use already exists but just wasn't set up yet.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Aditya Bodkhe <aditya.b1@linux.ibm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.ibm.com>
Cc: Chun-Tse Shao <ctshao@google.com>
Cc: Guo Ren <guoren@kernel.org>
Cc: Howard Chu <howardchu95@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sergei Trofimovich <slyich@gmail.com>
Cc: Shimin Guo <shimin.guo@skydio.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Swapnil Sapkal <swapnil.sapkal@amd.com>
Cc: Tianyou Li <tianyou.li@intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers
2026-01-23 14:22:07 -08:00
committed by Arnaldo Carvalho de Melo
parent 7d0ebeb6c0
commit 4e66527f88
12 changed files with 122 additions and 48 deletions
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2
tools/perf/util/scripting-engines/trace-event-python.c
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@@ -925,7 +925,7 @@ static PyObject *get_perf_sample_dict(struct perf_sample *sample,
if (al->thread) {
machine = maps__machine(thread__maps(al->thread));
e_machine = thread__e_machine(al->thread, machine);
e_machine = thread__e_machine(al->thread, machine, /*e_flags=*/NULL);
}
if (set_regs_in_dict(dict, sample, evsel, e_machine))
Py_FatalError("Failed to setting regs in dict");