diff options
| author | Lai Jiangshan <laijs@cn.fujitsu.com> | 2010-08-23 11:42:48 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-09-07 17:49:34 +0200 |
| commit | 2bf2160d8805de64308e2e7c3cd97813cb58ed2f (patch) | |
| tree | ae2b275516c7fb6f09f85eacb195c6cde42c68e3 /mm/bootmem.c | |
| parent | ring-buffer: Place duplicate expression into a single function (diff) | |
| download | linux-2bf2160d8805de64308e2e7c3cd97813cb58ed2f.tar.xz linux-2bf2160d8805de64308e2e7c3cd97813cb58ed2f.zip | |
irq: Add tracepoint to softirq_raise
Add a tracepoint for tracing when softirq action is raised.
This and the existing tracepoints complete softirq's tracepoints:
softirq_raise, softirq_entry and softirq_exit.
And when this tracepoint is used in combination with
the softirq_entry tracepoint we can determine
the softirq raise latency.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Cc: David Miller <davem@davemloft.net>
Cc: Kaneshige Kenji <kaneshige.kenji@jp.fujitsu.com>
Cc: Izumo Taku <izumi.taku@jp.fujitsu.com>
Cc: Kosaki Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Scott Mcmillan <scott.a.mcmillan@intel.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
LKML-Reference: <4C724298.4050509@jp.fujitsu.com>
[ factorize softirq events with DECLARE_EVENT_CLASS ]
Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'mm/bootmem.c')
0 files changed, 0 insertions, 0 deletions