diff options
| author | Wolfgang Mauerer <wolfgang.mauerer@siemens.com> | 2012-03-22 11:18:20 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-13 08:14:06 -0700 |
| commit | c9f514e30019562ad19044e992248ad7865b37cd (patch) | |
| tree | 3a6ea2c7e582dd10d7cc86dc456aa8d991b1bf83 /kernel | |
| parent | 8132f98d51bd6a11e9d053b84c17c1af52e371f2 (diff) | |
tracing: Fix ftrace stack trace entries
commit 01de982abf8c9e10fc3089e10585cd2cc914bdab upstream.
8 hex characters tell only half the tale for 64 bit CPUs,
so use the appropriate length.
Link: http://lkml.kernel.org/r/1332411501-8059-2-git-send-email-wolfgang.mauerer@siemens.com
Signed-off-by: Wolfgang Mauerer <wolfgang.mauerer@siemens.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/trace_entries.h | 16 | ||||
| -rw-r--r-- | kernel/trace/trace_export.c | 2 |
2 files changed, 13 insertions, 5 deletions
diff --git a/kernel/trace/trace_entries.h b/kernel/trace/trace_entries.h index e32744c84d9..1fe81eef1ce 100644 --- a/kernel/trace/trace_entries.h +++ b/kernel/trace/trace_entries.h @@ -156,6 +156,12 @@ FTRACE_ENTRY_DUP(wakeup, ctx_switch_entry, #define FTRACE_STACK_ENTRIES 8 +#ifndef CONFIG_64BIT +# define IP_FMT "%08lx" +#else +# define IP_FMT "%016lx" +#endif + FTRACE_ENTRY(kernel_stack, stack_entry, TRACE_STACK, @@ -164,8 +170,9 @@ FTRACE_ENTRY(kernel_stack, stack_entry, __array( unsigned long, caller, FTRACE_STACK_ENTRIES ) ), - F_printk("\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n" - "\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n", + F_printk("\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n" + "\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n" + "\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n", __entry->caller[0], __entry->caller[1], __entry->caller[2], __entry->caller[3], __entry->caller[4], __entry->caller[5], __entry->caller[6], __entry->caller[7]) @@ -180,8 +187,9 @@ FTRACE_ENTRY(user_stack, userstack_entry, __array( unsigned long, caller, FTRACE_STACK_ENTRIES ) ), - F_printk("\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n" - "\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n", + F_printk("\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n" + "\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n" + "\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n", __entry->caller[0], __entry->caller[1], __entry->caller[2], __entry->caller[3], __entry->caller[4], __entry->caller[5], __entry->caller[6], __entry->caller[7]) diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c index bbeec31e0ae..ad4000c71be 100644 --- a/kernel/trace/trace_export.c +++ b/kernel/trace/trace_export.c @@ -150,7 +150,7 @@ ftrace_define_fields_##name(struct ftrace_event_call *event_call) \ #define __dynamic_array(type, item) #undef F_printk -#define F_printk(fmt, args...) #fmt ", " __stringify(args) +#define F_printk(fmt, args...) __stringify(fmt) ", " __stringify(args) #undef FTRACE_ENTRY #define FTRACE_ENTRY(call, struct_name, etype, tstruct, print) \ |