Kernel Trace Systems - Revision history

Tim Bird: /* Sampling Systems */

2010-07-28T21:01:04Z

‎Sampling Systems

2010-07-15T23:30:48Z

‎Sampling Systems

2010-01-12T19:17:23Z

‎General Purpose tracing systems

2009-11-18T00:31:23Z

‎General Purpose tracing systems

2009-04-22T17:28:08Z

‎General Purpose tracing systems: add link to "measuring ...with ftrace"

2008-11-11T10:29:17Z

‎General Purpose tracing systems

2008-02-11T21:17:15Z

+cat

2007-06-08T21:01:10Z

‎Special Purpose tracing systems: include link in definition line

2007-06-08T21:00:16Z

‎General Purpose tracing systems: remove MoinMoin-isms

2007-01-08T23:34:11Z

‎Trace Infrastructure: fix typo

@@ Line 50: / Line 50: @@
 ** also: [http://www-128.ibm.com/developerworks/linux/library/l-oprof.html oprofile at IBM]
 * BootChart - samples bootup and provides visualization of process startup and system utilization
-** see [[Boot Chart]]
+** see [[Bootchart]]
 == Related facilities ==

@@ Line 49: / Line 49: @@
 ** see [http://oprofile.sourceforge.net/about/ oprofile]
 ** also: [http://www-128.ibm.com/developerworks/linux/library/l-oprof.html oprofile at IBM]
-* !BootChart - samples bootup and provides visualization of process startup and system utilization
+* BootChart - samples bootup and provides visualization of process startup and system utilization
 ** see [[Boot Chart]]

@@ Line 6: / Line 6: @@
 *ptrace - ability to trace syscall entry and exit, and signal delivery, to a process (also used for debugging a process)
 ** see "man ptrace" and "man strace"
-* [http://free-electrons.com/kerneldoc/latest/ftrace.txt ftrace]
+* [[Ftrace]]
 ** [[Ftrace Function Graph ARM]] - presentations and patches by Tim Bird to add function graph and duration tracing to ARM systems
 *** The presentation has good introductory material on ftrace, as well as links to additional resources

@@ Line 7: / Line 7: @@
 ** see "man ptrace" and "man strace"
 * [http://free-electrons.com/kerneldoc/latest/ftrace.txt ftrace]
 ** tracer for kernel functions
 ** can also be used for debugging or analyzing latencies and performance issues
 ** in mainline since 2.6.27
-** See [[Measuring Function Duration with FTrace]] - a paper (under construction) by Tim Bird for Linux Symposium 2009
+** See [[Measuring Function Duration with FTrace]] - outline of presentation by Tim Bird for Linux Symposium 2009
 * [[System Tap]] - System Tap is a system for building and executing tracing and sampling systems that can be applied to a running Linux system
 *LTTng - [[Linux Trace Toolkit]], next generation

@@ Line 10: / Line 10: @@
 ** can also be used for debugging or analyzing latencies and performance issues
 ** in mainline since 2.6.27
 * [[System Tap]] - System Tap is a system for building and executing tracing and sampling systems that can be applied to a running Linux system
 *LTTng - [[Linux Trace Toolkit]], next generation

← Older revision		Revision as of 21:17, 11 February 2008
Line 61:		Line 61:

	Some trace system project leaders are trying to collaborate: see [[Tracing Collaboration Project]]		Some trace system project leaders are trying to collaborate: see [[Tracing Collaboration Project]]
		+
		+	[[Category:Linux tracing]]

@@ Line 13: / Line 13: @@
 There are some other notable special-purpose kernel tracing systems:
-* KFT - Kernel Function Trace - traces functions to show function durations and call graphs
+* KFT - [[Kernel Function Trace]] - traces functions to show function durations and call graphs
-**see [[Kernel Function Trace]]
 *latency trace - RT-preempt tool for measuring interrupt and mutex latency
 **The latency tracer is embedded in the RT-preempt patch - see [[Realtime Preemption]] and [http://lwn.net/Articles/97811/ RT-preempt Article]

@@ Line 6: / Line 6: @@
 *ptrace - ability to trace syscall entry and exit, and signal delivery, to a process (also used for debugging a process)
 ** see "man ptrace" and "man strace"
-*!SystemTap - !SystemTap is a system for building and executing tracing and sampling systems that can be applied to a running Linux system
+* [[System Tap]] - System Tap is a system for building and executing tracing and sampling systems that can be applied to a running Linux system
-**see [[System Tap]]
+*LTTng - [[Linux Trace Toolkit]], next generation
-*LTTng - Linux Trace Toolkit, next generation
+*LKST - [[Linux Kernel State Tracer]]
-**see [[Linux Trace Toolkit]]
-*LKST - Linux Kernel State Tracer
-**see [[Linux Kernel State Tracer]]
 == Special Purpose tracing systems ==

@@ Line 31: / Line 31: @@
 == Trace Infrastructure ==
-*KProbes - grew out of dprobes, with information at: [http://dprobes.sourceforge.net/ dporbes]
+*KProbes - grew out of dprobes, with information at: [http://dprobes.sourceforge.net/ dprobes]
 **see an excellent tutorial at: [http://www-users.cs.umn.edu/~boutcher/kprobes/ kprobes]
 **The mainline version of the KProbes supports x86,Alpha and PPC64 architectures. A MIPS implementation has been completed on the 2.6.16 kernel and tested on the Toshiba TX49 platform. Patch is available in the [[Patch Archive]].