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-rw-r--r--man2/perf_event_open.28
1 files changed, 8 insertions, 0 deletions
diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2
index fa8b1bd379..59ad28959e 100644
--- a/man2/perf_event_open.2
+++ b/man2/perf_event_open.2
@@ -1822,6 +1822,14 @@ See also
.BR PERF_RECORD_MISC_EXT_RESERVED " (since Linux 2.6.35)"
.\" commit 1676b8a077c352085d52578fb4f29350b58b6e74
This indicates there is extended data available (currently not used).
+.TP
+.B PERF_RECORD_MISC_PROC_MAP_PARSE_TIMEOUT
+.\" commit 930e6fcd2bcce9bcd9d4aa7e755678d33f3fe6f4
+This bit is not set by the kernel.
+It is reserved for the userspace perf utility to indicate that
+.I /proc/xxx/maps
+parsing was taking too long and stopped and thus the mmap
+records may be truncated.
.RE
.TP
.I type