[turbofan] Introduce --min-inlining-frequency flag.

[turbofan] Introduce --min-inlining-frequency flag.

Add a new flag --min-inlining-frequency, defaulting to 0.15, which
serves as a minimum threshold for callsites to be considered by the
TurboFan inlining heuristic. Call sites with a frequency below this
(i.e. a call site that is only hit every 10th invocation of the caller)
are not considered for inlining.

BUG=v8:4493, v8:5267
R=jarin@chromium.org

Review-Url: https://codereview.chromium.org/2859433002
Cr-Commit-Position: refs/heads/master@{#45031}
Committed: https://chromium.googlesource.com/v8/v8/+/259f061fe7882d983f359ea4865ca2f4abf97fc9

[Benedikt Meurer, 2017-05-02 12:37:35]

The CQ bit was checked by bmeurer@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-05-02 12:37:38]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-05-02 12:39:08]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-05-02 12:39:09]

Dry run: Try jobs failed on following builders:
  v8_linux64_asan_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_asan_rel_ng/buil...)
  v8_linux64_gyp_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_gyp_rel_ng/build...)
  v8_linux_dbg_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_dbg_ng/builds/25304)
  v8_linux_gcc_compile_rel on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_gcc_compile_rel/bu...)
  v8_linux_nodcheck_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_nodcheck_rel_ng/bu...)
  v8_linux_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_rel_ng/builds/25222)
  v8_linux_verify_csa_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_verify_csa_rel_ng/...)

[Jarin, 2017-05-02 12:45:23]

lgtm

[Benedikt Meurer, 2017-05-02 12:46:16]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2017-05-02 12:46:19]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-05-02 13:14:14]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493729176470170, "parent_rev":
"41af9bc51b74847d714bfe2520f1273eb63fbcf8", "commit_rev":
"259f061fe7882d983f359ea4865ca2f4abf97fc9"}

[commit-bot: I haz the power, 2017-05-02 13:14:20]

Description was changed from

==========
[turbofan] Introduce --min-inlining-frequency flag.

Add a new flag --min-inlining-frequency, defaulting to 0.15, which
serves as a minimum threshold for callsites to be considered by the
TurboFan inlining heuristic. Call sites with a frequency below this
(i.e. a call site that is only hit every 10th invocation of the caller)
are not considered for inlining.

BUG=v8:4493,v8:5267
R=jarin@chromium.org
==========

to

==========
[turbofan] Introduce --min-inlining-frequency flag.

Add a new flag --min-inlining-frequency, defaulting to 0.15, which
serves as a minimum threshold for callsites to be considered by the
TurboFan inlining heuristic. Call sites with a frequency below this
(i.e. a call site that is only hit every 10th invocation of the caller)
are not considered for inlining.

BUG=v8:4493,v8:5267
R=jarin@chromium.org

Review-Url: https://codereview.chromium.org/2859433002
Cr-Commit-Position: refs/heads/master@{#45031}
Committed:
https://chromium.googlesource.com/v8/v8/+/259f061fe7882d983f359ea4865ca2f4abf...
==========

[commit-bot: I haz the power, 2017-05-02 13:14:21]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/259f061fe7882d983f359ea4865ca2f4abf...