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ab57e56202
It's useful to know this value. W/o cache (first pre-dump) on minimal container the irmap resolve time is ~0.2 sec. With cache (next pre-dumps or final dump) on the same container the irmap resolve time is 10 times less. Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
47 lines
661 B
C
47 lines
661 B
C
#ifndef __CR_STATS_H__
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#define __CR_STATS_H__
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enum {
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TIME_FREEZING,
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TIME_FROZEN,
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TIME_MEMDUMP,
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TIME_MEMWRITE,
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TIME_IRMAP_RESOLVE,
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DUMP_TIME_NR_STATS,
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};
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enum {
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TIME_FORK,
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TIME_RESTORE,
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RESTORE_TIME_NS_STATS,
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};
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extern void timing_start(int t);
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extern void timing_stop(int t);
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enum {
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CNT_PAGES_SCANNED,
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CNT_PAGES_SKIPPED_PARENT,
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CNT_PAGES_WRITTEN,
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DUMP_CNT_NR_STATS,
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};
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enum {
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CNT_PAGES_COMPARED,
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CNT_PAGES_SKIPPED_COW,
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RESTORE_CNT_NR_STATS,
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};
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extern void cnt_add(int c, unsigned long val);
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#define DUMP_STATS 1
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#define RESTORE_STATS 2
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extern int init_stats(int what);
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extern void write_stats(int what);
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#endif /* __CR_STATS_H__ */
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