perf intel-tpebs: Refactor tpebs_results list

evsel names and metric-ids are used for matching but this can be
problematic, for example, multiple occurrences of the same retirement
latency event become a single event for the record.

Change the name of the record events so they are unique and reflect the
evsel of the retirement latency event that opens them (the retirement
latency event's evsel address is embedded within them).

This allows an evsel based close to close the event when the retirement
latency event is closed.

This is important as 'perf stat' has an evlist and the session listen to
the record events has an evlist, knowing which event should remove the
tpebs_retire_lat can't be tied to an evlist list as there is more than
1, so closing which evlist should cause the tpebs to stop?

Using the evsel and the last one out doing the tpebs_stop is cleaner.

Committer notes:

Fix the build on 32-bit systems by using unsigned long when converting
pointers to integers instead of uint64_t. Fixes:

  20     4.97 debian:experimental-x-mips    : FAIL gcc version 14.2.0 (Debian 14.2.0-13)
    util/intel-tpebs.c: In function 'tpebs_retire_lat__find':
    util/intel-tpebs.c:377:21: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
      377 |                 if ((uint64_t)t->evsel == num)
          |                     ^
    cc1: all warnings being treated as errors

Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Weilin Wang <weilin.wang@intel.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Andreas Färber <afaerber@suse.de>
Cc: Caleb Biggers <caleb.biggers@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Perry Taylor <perry.taylor@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Falcon <thomas.falcon@intel.com>
Link: https://lore.kernel.org/r/20250414174134.3095492-10-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

0 files changed, 0 insertions, 0 deletions