lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86: PM_TRACE support

Browse Source 
Signed-off-by: Nigel Cunningham <nigel@nigel.suspend2.net>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Pavel Machek <pavel@ucw.cz>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nigel Cunningham
2007-07-21 17:10:41 +02:00
committed by Linus Torvalds
parent 9ef231a436
commit 44bf4cea43
6 changed files with 43 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/base/power/trace.c
View File

@ -142,6 +142,7 @@ void set_trace_device(struct device *dev)
{
dev_hash_value = hash_string(DEVSEED, dev->bus_id, DEVHASH);
}
EXPORT_SYMBOL(set_trace_device);
/*
* We could just take the "tracedata" index into the .tracedata
@ -162,6 +163,7 @@ void generate_resume_trace(void *tracedata, unsigned int user)
file_hash_value = hash_string(lineno, file, FILEHASH);
set_magic_time(user_hash_value, file_hash_value, dev_hash_value);
}
EXPORT_SYMBOL(generate_resume_trace);
extern char __tracedata_start, __tracedata_end;
static int show_file_hash(unsigned int value)
@ -170,7 +172,8 @@ static int show_file_hash(unsigned int value)
char *tracedata;
match = 0;
for (tracedata = &__tracedata_start ; tracedata < &__tracedata_end ; tracedata += 6) {
for (tracedata = &__tracedata_start ; tracedata < &__tracedata_end ;
tracedata += 2 + sizeof(unsigned long)) {
unsigned short lineno = *(unsigned short *)tracedata;
const char *file = *(const char **)(tracedata + 2);
unsigned int hash = hash_string(lineno, file, FILEHASH);