lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86/oprofile: add CONFIG_OPROFILE_IBS option

Browse Source 
Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: oprofile-list <oprofile-list@lists.sourceforge.net>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Barry Kasindorf <barry.kasindorf@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Robert Richter
2008-07-22 21:09:06 +02:00
committed by Ingo Molnar
parent 6aa360e6c1
commit 852402cc27
4 changed files with 47 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/oprofile/buffer_sync.c
View File

@@ -328,6 +328,8 @@ static void add_trace_begin(void)
add_event_entry(TRACE_BEGIN_CODE);
}
#ifdef CONFIG_OPROFILE_IBS
#define IBS_FETCH_CODE_SIZE 2
#define IBS_OP_CODE_SIZE 5
#define IBS_EIP(offset) \
@@ -390,6 +392,8 @@ static void add_ibs_begin(struct oprofile_cpu_buffer *cpu_buf, int code,
}
}
#endif
static void add_sample_entry(unsigned long offset, unsigned long event)
{
add_event_entry(offset);
@@ -586,6 +590,7 @@ void sync_buffer(int cpu)
} else if (s->event == CPU_TRACE_BEGIN) {
state = sb_bt_start;
add_trace_begin();
#ifdef CONFIG_OPROFILE_IBS
} else if (s->event == IBS_FETCH_BEGIN) {
state = sb_bt_start;
add_ibs_begin(cpu_buf,
@@ -594,6 +599,7 @@ void sync_buffer(int cpu)
state = sb_bt_start;
add_ibs_begin(cpu_buf,
IBS_OP_CODE, in_kernel, mm);
#endif
} else {
struct mm_struct *oldmm = mm;