perf intel-pt: Fix parsing of VM time correlation arguments
authorAdrian Hunter <adrian.hunter@intel.com>
Wed, 15 Dec 2021 08:06:34 +0000 (10:06 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 5 Jan 2022 11:42:39 +0000 (12:42 +0100)
commit90d273381bfbaa34ca5bc650b3cdf4ded78c1025
tree329de06fd7c995c1bb5102d6ca90b4877ec32996
parent47b5d0a7532d39e42a938f81e3904268145c341d
perf intel-pt: Fix parsing of VM time correlation arguments

commit a78abde220243d6f44a265fe36c49957f6fa9851 upstream.

Parser did not take ':' into account.

Example:

 Before:

  $ perf record -e intel_pt//u uname
  Linux
  [ perf record: Woken up 1 times to write data ]
  [ perf record: Captured and wrote 0.026 MB perf.data ]
  $ perf inject -i perf.data --vm-time-correlation="dry-run 123"
  $ perf inject -i perf.data --vm-time-correlation="dry-run 123:456"
  Failed to parse VM Time Correlation options
  0x620 [0x98]: failed to process type: 70 [Invalid argument]
  $

 After:

  $ perf inject -i perf.data --vm-time-correlation="dry-run 123:456"
  $

Fixes: e3ff42bdebcfeb5f ("perf intel-pt: Parse VM Time Correlation options and set up decoding")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20211215080636.149562-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
tools/perf/util/intel-pt.c