Ian Rogers 8dc364fa48 libperf mmap: In user mmap rdpmc avoid undefined behavior ...

A shift left of a signed 64-bit s64 may overflow and result in
undefined behavior caught by ubsan. Switch to a u64 instead.

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: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2025-10-02 15:02:47 -03:00

..

Documentation

perf record: Add 8-byte aligned event type PERF_RECORD_COMPRESSED2

2025-05-16 17:31:40 -03:00

include

libperf event: Ensure tracing data is multiple of 8 sized

2025-09-03 12:34:54 -03:00

tests

libperf cpumap: Replace usage of perf_cpu_map__new(NULL) with perf_cpu_map__new_online_cpus()

2023-12-12 14:55:13 -03:00

.gitignore

libperf: Add gitignore

2024-08-01 12:11:33 -03:00

Build

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core.c

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cpumap.c

libperf cpumap: Add ability to create CPU from a single CPU number

2025-05-12 14:18:16 -03:00

evlist.c

perf parse-events: Support user CPUs mixed with threads/processes

2025-07-24 13:41:35 -07:00

evsel.c

libperf evsel: Factor perf_evsel__exit out of perf_evsel__delete

2025-07-24 13:41:35 -07:00

internal.h

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lib.c

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libperf.map

libperf cpumap: Remove perf_cpu_map__read()

2024-12-09 17:52:41 -03:00

libperf.pc.template

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Makefile

perf tools: Fix in-source libperf build

2025-04-29 12:32:31 -07:00

mmap.c

libperf mmap: In user mmap rdpmc avoid undefined behavior

2025-10-02 15:02:47 -03:00

threadmap.c

libperf threadmap: Add perf_thread_map__idx()

2025-05-21 15:07:13 -03:00

xyarray.c

…