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authorMasami Hiramatsu <mhiramat@redhat.com>2010-04-12 13:17:08 -0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2010-04-14 17:26:28 -0300
commit93ccae7a2227466a0d071fe52c51319f2f34c365 (patch)
treead98a4db74fff834ce79b83f21192713cc3665bc /Documentation/ManagementStyle
parentdf0faf4be02996135bc3a06b4f34360449c78084 (diff)
tracing/kprobes: Support basic types on dynamic events
Support basic types of integer (u8, u16, u32, u64, s8, s16, s32, s64) in kprobe tracer. With this patch, users can specify above basic types on each arguments after ':'. If omitted, the argument type is set as unsigned long (u32 or u64, arch-dependent). e.g. echo 'p account_system_time+0 hardirq_offset=%si:s32' > kprobe_events adds a probe recording hardirq_offset in signed-32bits value on the entry of account_system_time. Cc: Ingo Molnar <mingo@elte.hu> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <20100412171708.3790.18599.stgit@localhost6.localdomain6> Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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