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| author | Mark Wielaard <mjw@redhat.com> | 2009-07-14 11:47:46 +0200 |
|---|---|---|
| committer | Mark Wielaard <mjw@redhat.com> | 2009-07-14 11:47:46 +0200 |
| commit | 011165968c00e4125dfb9ee132e79f65dbea50c4 (patch) | |
| tree | 1f81918af2c85ce8e0d0dddb0e5132c03085f1a2 /stap.1.in | |
| parent | ec6fdef5a46f450c8b7a52b491de6a17155101df (diff) | |
| download | systemtap-steved-011165968c00e4125dfb9ee132e79f65dbea50c4.tar.gz systemtap-steved-011165968c00e4125dfb9ee132e79f65dbea50c4.tar.xz systemtap-steved-011165968c00e4125dfb9ee132e79f65dbea50c4.zip | |
Remove -O[0123s] gcc optimization flags for gcc pass 4 speedups again.
We cannot guarantee that (un)optimized code compiles and/or generates
fully functional code, so don't tempt the user to try it out.
* session.h (struct systemtap_session): Remove gcc_flags string field.
* hash.cxx (find_script_hash): Don't add gcc_flags.
* main.cxx (usage): Remove -O[0123s] documentation.
(main): Don't use gcc_flags.
* buildrun.cxx (compile_pass): Don't add gcc_flags to EXTRA_CFLAGS.
* stap1.in: Remove -O[0123s] documentation.
* testsuite/systemtap.base/cache.exp: Remove tests for -O[0123s].
Diffstat (limited to 'stap.1.in')
| -rw-r--r-- | stap.1.in | 8 |
1 files changed, 0 insertions, 8 deletions
@@ -183,14 +183,6 @@ Send standard output to named file. In bulk mode, percpu files will start with FILE_ (FILE_cpu with -F) followed by the cpu number. This supports strftime(3) formats for FILE. .TP -.BI \-O[0123s] -Optimization to use for C code. Passed to gcc in pass 4. -O is an -alias for -O1, -O0 enables fast compilation, -O1 optimizes the code and -takes a bit more time, -O2 optimizes more and takes more time, -O3 -optimizes even more and takes even more time, -Os optimizes for size, -like -O2 but tuned for small code size. Default is the kernel opt-level -default (-O2 or -Os). -.TP .BI \-c " CMD" Start the probes, run CMD, and exit when CMD finishes. .TP |