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authorIan Rogers <irogers@google.com>2024-10-25 12:21:00 -0700
committerNamhyung Kim <namhyung@kernel.org>2024-10-28 09:32:57 -0700
commit5ce42b5de461c3154f61a023b191dd6b77ee66c0 (patch)
treea4f49cc3673311c4de2bbb44232f22e02be99021 /tools/perf/scripts/python/export-to-sqlite.py
parent150dab31d5609f896fbfaa06b442ca314da79858 (diff)
tools subcmd: Add non-waitpid check_if_command_finished()
Using waitpid can cause stdout/stderr of the child process to be lost. Use Linux's /prod/<pid>/status file to determine if the process has reached the zombie state. Use the 'status' file rather than 'stat' to avoid issues around skipping the process name. Tested-by: James Clark <james.clark@linaro.org> Signed-off-by: Ian Rogers <irogers@google.com> Cc: Colin Ian King <colin.i.king@gmail.com> Cc: Howard Chu <howardchu95@gmail.com> Cc: Weilin Wang <weilin.wang@intel.com> Cc: Ilya Leoshkevich <iii@linux.ibm.com> Cc: Thomas Richter <tmricht@linux.ibm.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Dapeng Mi <dapeng1.mi@linux.intel.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Veronika Molnarova <vmolnaro@redhat.com> Link: https://lore.kernel.org/r/20241025192109.132482-2-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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