Lncvrt/grub
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Make enable of disk cache statistics code configurable.

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* configure.ac: --enable-cache-stats added.
	* config.h.in (DISK_CACHE_STATS): New define.
	* grub-core/Makefile.core.def (cacheinfo): New command.
	* include/grub/disk.h(grub_disk_cache_get_performance): New function.
	* grub-core/commands/cacheinfo.c: New file.
	* grub-core/commands/minicmd.c (grub_rescue_cmd_info): Updated and
	moved to cacheinfo.c.
	* grub-core/kern/disk.c: Use DISK_CACHE_STATS to disable disk cache
	debug code.
	* include/grub/disk.h: Likewise.
This commit is contained in:
Szymon Janc committed 2010-10-06 19:57:01 +02:00
1 parent a61499a1c3
commit c5dc16905a
8 files changed
+106 -23
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grub-core/kern/disk.c
+3 -3
View File
@@ -50,7 +50,7 @@ grub_err_t (* grub_disk_ata_pass_through) (grub_disk_t,
struct grub_disk_ata_pass_through_parms *);
#if 0
#if DISK_CACHE_STATS
static unsigned long grub_disk_cache_hits;
static unsigned long grub_disk_cache_misses;
@@ -123,13 +123,13 @@ grub_disk_cache_fetch (unsigned long dev_id, unsigned long disk_id,
&& cache->sector == sector)
{
cache->lock = 1;
#if 0
#if DISK_CACHE_STATS
grub_disk_cache_hits++;
#endif
return cache->data;
}
#if 0
#if DISK_CACHE_STATS
grub_disk_cache_misses++;
#endif