From 0f8c3e3eb83d55e0972d6f7c8b146606acda3d08 Mon Sep 17 00:00:00 2001
From: Chris Bieneman <beanz@apple.com>
Date: Tue, 2 Aug 2016 18:23:56 +0000
Subject: [PATCH] Revert "[Order Files] Remove dtrace predicate"
This reverts commit r277487.
Removing the probe predicate was a red herring. It results in more symbols being placed in the final order file, but they are symbols from outside the clang image.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@277492 91177308-0d34-0410-b5e6-96231b3b80d8
---
utils/perf-training/perf-helper.py | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/utils/perf-training/perf-helper.py b/utils/perf-training/perf-helper.py
index cf90d34e81f..30b9caeffd5 100644
--- a/utils/perf-training/perf-helper.py
+++ b/utils/perf-training/perf-helper.py
@@ -75,12 +75,13 @@ def dtrace(args):
target = "oneshot$target:::entry"
else:
target = "pid$target:::entry"
+ predicate = '%s/probemod=="%s"/' % (target, os.path.basename(cmd[0]))
log_timestamp = 'printf("dtrace-TS: %d\\n", timestamp)'
if opts.use_ustack:
action = 'ustack(1);'
else:
action = 'printf("dtrace-Symbol: %s\\n", probefunc);'
- dtrace_script = "%s { %s; %s }" % (target, log_timestamp, action)
+ dtrace_script = "%s { %s; %s }" % (predicate, log_timestamp, action)
dtrace_args = []
if not os.geteuid() == 0:
--
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