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| author | Robert Richter <robert.richter@amd.com> | 2008-12-19 12:59:28 +0100 |
|---|---|---|
| committer | Robert Richter <robert.richter@amd.com> | 2009-01-07 17:06:32 +0100 |
| commit | 8350c78734e67ac1f8bfd4eb14b70ff4d01a9a12 (patch) | |
| tree | a4a78d79a0d88f98fffab92e66906121841ca893 /drivers/oprofile | |
| parent | f4ff2364417f0092e49f6a3aa474549a56697f2d (diff) | |
| download | linux-8350c78734e67ac1f8bfd4eb14b70ff4d01a9a12.tar.gz linux-8350c78734e67ac1f8bfd4eb14b70ff4d01a9a12.tar.bz2 linux-8350c78734e67ac1f8bfd4eb14b70ff4d01a9a12.zip | |
oprofile: remove backtrace code for ibs
This code is broken since a TRACE_BEGIN_CODE is never sent to the
daemon. The data becomes corrupt since the backtrace is interpreted as
ibs sample.
Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'drivers/oprofile')
| -rw-r--r-- | drivers/oprofile/buffer_sync.c | 2 | ||||
| -rw-r--r-- | drivers/oprofile/cpu_buffer.c | 10 |
2 files changed, 2 insertions, 10 deletions
diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c index 7415d2e6b3a1..e61e25fda1ad 100644 --- a/drivers/oprofile/buffer_sync.c +++ b/drivers/oprofile/buffer_sync.c @@ -557,11 +557,9 @@ void sync_buffer(int cpu) break; #ifdef CONFIG_OPROFILE_IBS case IBS_FETCH_BEGIN: - state = sb_bt_start; add_ibs_begin(cpu, IBS_FETCH_CODE, mm); break; case IBS_OP_BEGIN: - state = sb_bt_start; add_ibs_begin(cpu, IBS_OP_CODE, mm); break; #endif diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c index 8ae37c9d0ec4..92bf8c0d86fe 100644 --- a/drivers/oprofile/cpu_buffer.c +++ b/drivers/oprofile/cpu_buffer.c @@ -347,17 +347,11 @@ void oprofile_add_ibs_sample(struct pt_regs * const regs, fail = fail || add_sample(cpu_buf, ibs_sample[10], ibs_sample[11]); } - if (fail) - goto fail; - - if (oprofile_backtrace_depth) - oprofile_ops.backtrace(regs, oprofile_backtrace_depth); - - return; + if (!fail) + return; fail: cpu_buf->sample_lost_overflow++; - return; } #endif |