diff options
| author |   Ian Rogers <irogers@google.com> | 2022-05-26 19:06:53 -0700 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-06-19 10:41:43 -0300 |
| commit | e5287e6dd3b07e28e6bca5e33a3813a5e83bbc4c (patch) | |
| tree | 62e5e875cb348b2d08f1e339aa87b7821c8e9026 /tools/perf/util/expr.l | |
| parent | perf test topology: Use !strncmp(right platform) to fix guest PPC comparision check (diff) | |
| download | linux-dev-e5287e6dd3b07e28e6bca5e33a3813a5e83bbc4c.tar.xz linux-dev-e5287e6dd3b07e28e6bca5e33a3813a5e83bbc4c.zip | |
perf expr: Allow exponents on floating point values
Pass the optional exponent component through to strtod that already
supports it. We already have exponents in ScaleUnit and so this adds
uniformity.
Reported-by: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Reviewed-By: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20220527020653.4160884-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/expr.l | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/expr.l b/tools/perf/util/expr.l index 0a13eb20c814..4dc8edbfd9ce 100644 --- a/tools/perf/util/expr.l +++ b/tools/perf/util/expr.l @@ -91,7 +91,7 @@ static int literal(yyscan_t scanner) } %} -number ([0-9]+\.?[0-9]*|[0-9]*\.?[0-9]+) +number ([0-9]+\.?[0-9]*|[0-9]*\.?[0-9]+)(e-?[0-9]+)? sch [-,=] spec \\{sch} |