When commit 65fd07df3588 added preempt_lazy_count into 'struct trace_entry' it did not add 4 bytes padding. Also we need to update the common fields for tracepoint, otherwise some tools (bpftrace) stop working due to missing common fields. Fixes: 65fd07df3588 ("x86: Support for lazy preemption") Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx> --- include/linux/trace_events.h | 2 ++ kernel/trace/trace_events.c | 3 +++ 2 files changed, 5 insertions(+) diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index f3b1ef07e4a5..51a3f5188923 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -65,6 +65,8 @@ struct trace_entry { unsigned short migrate_disable; unsigned short padding; unsigned char preempt_lazy_count; + unsigned char padding1; + unsigned short padding2; }; #define TRACE_EVENT_TYPE_MAX \ diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index accaae59a762..1fe37b7aeaff 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -183,6 +183,9 @@ static int trace_define_common_fields(void) __common_field(int, pid); __common_field(unsigned short, migrate_disable); __common_field(unsigned short, padding); + __common_field(unsigned char, preempt_lazy_count); + __common_field(unsigned char, padding1); + __common_field(unsigned short, padding2); return ret; } -- 2.24.1