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| author | Ian Rogers <irogers@google.com> | 2024-08-31 00:04:15 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2024-09-03 11:26:53 -0300 |
| commit | 18f41f1ba5404cb4ca17590ba28258f8358f8695 (patch) | |
| tree | 6778b5dc943cdd2f6f790fa11147ec6647492540 /tools/perf | |
| parent | 91235380e5c78dc02f18d6afa97dff82ab3a6887 (diff) | |
| download | lwn-18f41f1ba5404cb4ca17590ba28258f8358f8695.tar.gz lwn-18f41f1ba5404cb4ca17590ba28258f8358f8695.zip | |
perf test: Make watchpoint data 32-bits on i386
i386 only supports watchpoints up to size 4, 8 bytes causes extra
counts and test failures.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Chaitanya S Prakash <chaitanyas.prakash@arm.com>
Cc: Colin Ian King <colin.i.king@gmail.com>
Cc: David Ahern <dsa@cumulusnetworks.com>
Cc: Dominique Martinet <asmadeus@codewreck.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Junhao He <hejunhao3@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Yang Jihong <yangjihong@bytedance.com>
Link: https://lore.kernel.org/r/20240831070415.506194-7-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/tests/wp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/tests/wp.c b/tools/perf/tests/wp.c index cc8719609b19..6c178985e37f 100644 --- a/tools/perf/tests/wp.c +++ b/tools/perf/tests/wp.c @@ -20,7 +20,12 @@ do { \ TEST_ASSERT_VAL(text, count == val); \ } while (0) +#ifdef __i386__ +/* Only breakpoint length less-than 8 has hardware support on i386. */ +volatile u32 data1; +#else volatile u64 data1; +#endif volatile u8 data2[3]; #ifndef __s390x__ |