tracing: expose current->comm to [ku]probe events

[linux.git] / kernel / trace / trace_kprobe.c

diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 5546eec0505f7e111fa5b64d88dcc7806588dace..9aedb0b06683765f4293eb750465ed5849c2902f 100644 (file)
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -587,6 +587,7 @@ static int create_trace_kprobe(int argc, char **argv)
         *  $retval     : fetch return value
         *  $stack      : fetch stack address
         *  $stackN     : fetch Nth of stack (N:0-)
+        *  $comm       : fetch current task comm
         *  @ADDR       : fetch memory at ADDR (ADDR should be in kernel)
         *  @SYM[+|-offs] : fetch memory at SYM +|- offs (SYM is a data symbol)
         *  %REG        : fetch register REG