Messages in this thread Patch in this message | | | Date | Fri, 22 Aug 2008 12:35:39 +0200 | From | Marcin Slusarz <> | Subject | Re: ftraced and suspend to ram |
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On Fri, Aug 22, 2008 at 09:23:43AM +0200, Pavel Machek wrote: > > > > * Rafael J. Wysocki <rjw@sisk.pl> wrote: > > > > > > > The code in question is the ftraced() function in > > > > > kernel/trace/ftrace.c > > > > > > > > Thanks, I'll have a look in a while. > > > > > > Can you try the appended patch, please? > > > > makes sense - i've applied it to tip/tracing/urgent, see the tidied up > > commit below. > > > > It should be no big issue not being able to trace across suspend+resume > > - and that restriction will go away with Steve's build-time based mcount > > patching mechanism in v2.6.28. > > Patch looks okay to me, but I'm not sure if another issue is not > hiding under it. Did anyone actually test ftrace + suspend after > applying this?
I just tested this patch - it didn't help ;(
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 49f4c3f..02e41b2 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -27,6 +27,7 @@ #include <linux/ctype.h> #include <linux/hash.h> #include <linux/list.h> +#include <linux/freezer.h> #include <asm/ftrace.h>
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