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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-05 15:30:21 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-05 15:30:21 -0800
commitc3fa27d1367fac63ac8533d6f20ea851d0d70a10 (patch)
treee7731554085e22b6b63411b1ebb401079f3e0bbb /include/trace/events/lock.h
parent96fa2b508d2d3fe040cf4ef2fffb955f0a537ea1 (diff)
parentd103d01e4b19f185d3c85f77402b605534c32e89 (diff)
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (470 commits) x86: Fix comments of register/stack access functions perf tools: Replace %m with %a in sscanf hw-breakpoints: Keep track of user disabled breakpoints tracing/syscalls: Make syscall events print callbacks static tracing: Add DEFINE_EVENT(), DEFINE_SINGLE_EVENT() support to docbook perf: Don't free perf_mmap_data until work has been done perf_event: Fix compile error perf tools: Fix _GNU_SOURCE macro related strndup() build error trace_syscalls: Remove unused syscall_name_to_nr() trace_syscalls: Simplify syscall profile trace_syscalls: Remove duplicate init_enter_##sname() trace_syscalls: Add syscall_nr field to struct syscall_metadata trace_syscalls: Remove enter_id exit_id trace_syscalls: Set event_enter_##sname->data to its metadata trace_syscalls: Remove unused event_syscall_enter and event_syscall_exit perf_event: Initialize data.period in perf_swevent_hrtimer() perf probe: Simplify event naming perf probe: Add --list option for listing current probe events perf probe: Add argv_split() from lib/argv_split.c perf probe: Move probe event utility functions to probe-event.c ...
Diffstat (limited to 'include/trace/events/lock.h')
-rw-r--r--include/trace/events/lock.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/include/trace/events/lock.h b/include/trace/events/lock.h
new file mode 100644
index 00000000000..a870ba125aa
--- /dev/null
+++ b/include/trace/events/lock.h
@@ -0,0 +1,96 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM lock
+
+#if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_LOCK_H
+
+#include <linux/lockdep.h>
+#include <linux/tracepoint.h>
+
+#ifdef CONFIG_LOCKDEP
+
+TRACE_EVENT(lock_acquire,
+
+ TP_PROTO(struct lockdep_map *lock, unsigned int subclass,
+ int trylock, int read, int check,
+ struct lockdep_map *next_lock, unsigned long ip),
+
+ TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, flags)
+ __string(name, lock->name)
+ ),
+
+ TP_fast_assign(
+ __entry->flags = (trylock ? 1 : 0) | (read ? 2 : 0);
+ __assign_str(name, lock->name);
+ ),
+
+ TP_printk("%s%s%s", (__entry->flags & 1) ? "try " : "",
+ (__entry->flags & 2) ? "read " : "",
+ __get_str(name))
+);
+
+TRACE_EVENT(lock_release,
+
+ TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
+
+ TP_ARGS(lock, nested, ip),
+
+ TP_STRUCT__entry(
+ __string(name, lock->name)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, lock->name);
+ ),
+
+ TP_printk("%s", __get_str(name))
+);
+
+#ifdef CONFIG_LOCK_STAT
+
+TRACE_EVENT(lock_contended,
+
+ TP_PROTO(struct lockdep_map *lock, unsigned long ip),
+
+ TP_ARGS(lock, ip),
+
+ TP_STRUCT__entry(
+ __string(name, lock->name)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, lock->name);
+ ),
+
+ TP_printk("%s", __get_str(name))
+);
+
+TRACE_EVENT(lock_acquired,
+ TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime),
+
+ TP_ARGS(lock, ip, waittime),
+
+ TP_STRUCT__entry(
+ __string(name, lock->name)
+ __field(unsigned long, wait_usec)
+ __field(unsigned long, wait_nsec_rem)
+ ),
+ TP_fast_assign(
+ __assign_str(name, lock->name);
+ __entry->wait_nsec_rem = do_div(waittime, NSEC_PER_USEC);
+ __entry->wait_usec = (unsigned long) waittime;
+ ),
+ TP_printk("%s (%lu.%03lu us)", __get_str(name), __entry->wait_usec,
+ __entry->wait_nsec_rem)
+);
+
+#endif
+#endif
+
+#endif /* _TRACE_LOCK_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>