perf record: Reduce memory for recording PERF_RECORD_LOST_SAMPLES event
authorIan Rogers <irogers@google.com>
Thu, 7 Dec 2023 02:16:27 +0000 (18:16 -0800)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 3 Jan 2024 20:55:01 +0000 (17:55 -0300)
commit7d1405c71df21f6c394b8a885aa8a133f749fa22
tree26f84e8727e43deffcf5d67d32f801325e8fc441
parent9c51f8788b5d4e9f46afbcf563255cfd355690b3
perf record: Reduce memory for recording PERF_RECORD_LOST_SAMPLES event

Reduce from PERF_SAMPLE_MAX_SIZE to "sizeof(*lost) +
session->machines.host.id_hdr_size".

Suggested-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20231207021627.1322884-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/builtin-record.c