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Diffstat (limited to 'include/uapi/linux/perf_event.h')
-rw-r--r--include/uapi/linux/perf_event.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 2881145cda86..651221334f49 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -168,6 +168,7 @@ enum perf_branch_sample_type_shift {
PERF_SAMPLE_BRANCH_CALL_STACK_SHIFT = 11, /* call/ret stack */
PERF_SAMPLE_BRANCH_IND_JUMP_SHIFT = 12, /* indirect jumps */
+ PERF_SAMPLE_BRANCH_CALL_SHIFT = 13, /* direct call */
PERF_SAMPLE_BRANCH_MAX_SHIFT /* non-ABI */
};
@@ -188,6 +189,7 @@ enum perf_branch_sample_type {
PERF_SAMPLE_BRANCH_CALL_STACK = 1U << PERF_SAMPLE_BRANCH_CALL_STACK_SHIFT,
PERF_SAMPLE_BRANCH_IND_JUMP = 1U << PERF_SAMPLE_BRANCH_IND_JUMP_SHIFT,
+ PERF_SAMPLE_BRANCH_CALL = 1U << PERF_SAMPLE_BRANCH_CALL_SHIFT,
PERF_SAMPLE_BRANCH_MAX = 1U << PERF_SAMPLE_BRANCH_MAX_SHIFT,
};
@@ -476,7 +478,7 @@ struct perf_event_mmap_page {
* u64 delta;
*
* quot = (cyc >> time_shift);
- * rem = cyc & ((1 << time_shift) - 1);
+ * rem = cyc & (((u64)1 << time_shift) - 1);
* delta = time_offset + quot * time_mult +
* ((rem * time_mult) >> time_shift);
*
@@ -507,7 +509,7 @@ struct perf_event_mmap_page {
* And vice versa:
*
* quot = cyc >> time_shift;
- * rem = cyc & ((1 << time_shift) - 1);
+ * rem = cyc & (((u64)1 << time_shift) - 1);
* timestamp = time_zero + quot * time_mult +
* ((rem * time_mult) >> time_shift);
*/