perf_counter: use misc field to widen type
Push the PERF_EVENT_COUNTER_OVERFLOW bit into the misc field so that
we can have the full 32bit for PERF_RECORD_ bits.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
LKML-Reference: <20090408130408.891867663@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index 4af98f9..bf12df6 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -1828,15 +1828,16 @@
int callchain_size = 0;
u64 time;
- header.type = PERF_EVENT_COUNTER_OVERFLOW;
+ header.type = 0;
header.size = sizeof(header);
- header.misc = user_mode(regs) ?
+ header.misc = PERF_EVENT_MISC_OVERFLOW;
+ header.misc |= user_mode(regs) ?
PERF_EVENT_MISC_USER : PERF_EVENT_MISC_KERNEL;
if (record_type & PERF_RECORD_IP) {
ip = instruction_pointer(regs);
- header.type |= __PERF_EVENT_IP;
+ header.type |= PERF_RECORD_IP;
header.size += sizeof(ip);
}
@@ -1845,12 +1846,12 @@
tid_entry.pid = current->group_leader->pid;
tid_entry.tid = current->pid;
- header.type |= __PERF_EVENT_TID;
+ header.type |= PERF_RECORD_TID;
header.size += sizeof(tid_entry);
}
if (record_type & PERF_RECORD_GROUP) {
- header.type |= __PERF_EVENT_GROUP;
+ header.type |= PERF_RECORD_GROUP;
header.size += sizeof(u64) +
counter->nr_siblings * sizeof(group_entry);
}
@@ -1861,7 +1862,7 @@
if (callchain) {
callchain_size = (1 + callchain->nr) * sizeof(u64);
- header.type |= __PERF_EVENT_CALLCHAIN;
+ header.type |= PERF_RECORD_CALLCHAIN;
header.size += callchain_size;
}
}
@@ -1872,7 +1873,7 @@
*/
time = sched_clock();
- header.type |= __PERF_EVENT_TIME;
+ header.type |= PERF_RECORD_TIME;
header.size += sizeof(u64);
}