oprofile: rename variables in add_ibs_begin()

This unifies usage of variable names within oprofile.

Signed-off-by: Robert Richter <robert.richter@amd.com>
This commit is contained in:
Robert Richter 2009-01-05 13:14:04 +01:00
parent d0e233846d
commit d358e75fc4

View File

@ -325,36 +325,36 @@ static void add_trace_begin(void)
*/
static void add_ibs_begin(int cpu, int code, struct mm_struct *mm)
{
unsigned long rip;
unsigned long pc;
int i, count;
unsigned long ibs_cookie = 0;
unsigned long cookie = 0;
off_t offset;
struct op_sample *sample;
sample = op_cpu_buffer_read_entry(cpu);
if (!sample)
return;
rip = sample->eip;
pc = sample->eip;
#ifdef __LP64__
rip += sample->event << 32;
pc += sample->event << 32;
#endif
if (mm) {
ibs_cookie = lookup_dcookie(mm, rip, &offset);
cookie = lookup_dcookie(mm, pc, &offset);
if (ibs_cookie == NO_COOKIE)
offset = rip;
if (ibs_cookie == INVALID_COOKIE) {
if (cookie == NO_COOKIE)
offset = pc;
if (cookie == INVALID_COOKIE) {
atomic_inc(&oprofile_stats.sample_lost_no_mapping);
offset = rip;
offset = pc;
}
if (ibs_cookie != last_cookie) {
add_cookie_switch(ibs_cookie);
last_cookie = ibs_cookie;
if (cookie != last_cookie) {
add_cookie_switch(cookie);
last_cookie = cookie;
}
} else
offset = rip;
offset = pc;
add_event_entry(ESCAPE_CODE);
add_event_entry(code);