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atrace: add memory reclaim tracing 

Add "memreclaim" to trace direct reclaim, shrink slab cycles, and
kswapd waking up and sleeping.

Change-Id: I4cfb313820a3a9aa5a9d07a39c42db41c24304a6
This commit is contained in:
Colin Cross 2014-08-18 15:22:13 -07:00
parent f440d398fa
commit 580407f107
1 changed files with 6 additions and 0 deletions
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6
cmds/atrace/atrace.cpp
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@ -129,6 +129,12 @@ static const TracingCategory k_categories[] = {
{ "workq", "Kernel Workqueues", 0, {
{ REQ, "/sys/kernel/debug/tracing/events/workqueue/enable" },
} },
{ "memreclaim", "Kernel Memory Reclaim", 0, {
{ REQ, "/sys/kernel/debug/tracing/events/vmscan/mm_vmscan_direct_reclaim_begin/enable" },
{ REQ, "/sys/kernel/debug/tracing/events/vmscan/mm_vmscan_direct_reclaim_end/enable" },
{ REQ, "/sys/kernel/debug/tracing/events/vmscan/mm_vmscan_kswapd_wake/enable" },
{ REQ, "/sys/kernel/debug/tracing/events/vmscan/mm_vmscan_kswapd_sleep/enable" },
} },
};
/* Command line options */