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author | 2015-08-04 12:17:53 -0700 | |
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committer | 2015-08-04 15:44:42 -0700 | |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/include/trace/events/tlb.h | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/include/trace/events/tlb.h')
-rw-r--r-- | kernel/include/trace/events/tlb.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/kernel/include/trace/events/tlb.h b/kernel/include/trace/events/tlb.h new file mode 100644 index 000000000..4250f364a --- /dev/null +++ b/kernel/include/trace/events/tlb.h @@ -0,0 +1,62 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM tlb + +#if !defined(_TRACE_TLB_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_TLB_H + +#include <linux/mm_types.h> +#include <linux/tracepoint.h> + +#define TLB_FLUSH_REASON \ + EM( TLB_FLUSH_ON_TASK_SWITCH, "flush on task switch" ) \ + EM( TLB_REMOTE_SHOOTDOWN, "remote shootdown" ) \ + EM( TLB_LOCAL_SHOOTDOWN, "local shootdown" ) \ + EMe( TLB_LOCAL_MM_SHOOTDOWN, "local mm shootdown" ) + +/* + * First define the enums in TLB_FLUSH_REASON to be exported to userspace + * via TRACE_DEFINE_ENUM(). + */ +#undef EM +#undef EMe +#define EM(a,b) TRACE_DEFINE_ENUM(a); +#define EMe(a,b) TRACE_DEFINE_ENUM(a); + +TLB_FLUSH_REASON + +/* + * Now redefine the EM() and EMe() macros to map the enums to the strings + * that will be printed in the output. + */ +#undef EM +#undef EMe +#define EM(a,b) { a, b }, +#define EMe(a,b) { a, b } + +TRACE_EVENT_CONDITION(tlb_flush, + + TP_PROTO(int reason, unsigned long pages), + TP_ARGS(reason, pages), + + TP_CONDITION(cpu_online(smp_processor_id())), + + TP_STRUCT__entry( + __field( int, reason) + __field(unsigned long, pages) + ), + + TP_fast_assign( + __entry->reason = reason; + __entry->pages = pages; + ), + + TP_printk("pages:%ld reason:%s (%d)", + __entry->pages, + __print_symbolic(__entry->reason, TLB_FLUSH_REASON), + __entry->reason) +); + +#endif /* _TRACE_TLB_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |