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SubjectRe: [PATCH 0/8] [GIT PULL] simplify the print fmt in the event format files

On Wed, 10 Jun 2009, Ingo Molnar wrote:

>
> there's one test failure:
>
> [ 0.723000] calling event_trace_init+0x0/0x13d @ 1
> [ 0.725000] ------------[ cut here ]------------
> [ 0.726000] WARNING: at kernel/trace/trace_read_binary.c:547 ftrace_initialize_print+0x673/0x690()
> [ 0.727000] Hardware name: System Product Name
> [ 0.728000] error in format type: 'sting:name> (<uint:wait_usec>.<printf:wait_nsec_rem:03lu> us)'
> [ 0.729000] Modules linked in:
> [ 0.730000] Pid: 1, comm: swapper Not tainted 2.6.30-rc8-tip-02137-g9d24ef9-dirty #51704
> [ 0.731000] Call Trace:
> [ 0.732000] [<c10470aa>] warn_slowpath_common+0x65/0x95
> [ 0.733000] [<c1047118>] warn_slowpath_fmt+0x29/0x2c
> [ 0.734000] [<c10a14ef>] ftrace_initialize_print+0x673/0x690
> [ 0.735000] [<c10afa33>] ? kstrdup+0x2b/0x46
> [ 0.736000] [<c109cabc>] ? trace_define_field+0xa1/0xf5
> [ 0.737000] [<c106c0d5>] ftrace_define_fields_lock_acquired+0x132/0x13b
> [ 0.738000] [<c109cdbe>] event_create_dir+0x2ae/0x307
> [ 0.739000] [<c1973bf3>] ? event_trace_init+0x0/0x13d
> [ 0.740000] [<c1973d00>] event_trace_init+0x10d/0x13d
> [ 0.741000] [<c1001074>] do_one_initcall+0x6a/0x177
> [ 0.742000] [<c103329c>] ? kernel_map_pages+0xd2/0xe3
> [ 0.743000] [<c10690d2>] ? trace_hardirqs_on+0xb/0xd
> [ 0.744000] [<c1067855>] ? put_lock_stats+0xd/0x21
> [ 0.745000] [<c106795f>] ? lock_release_holdtime+0xf6/0xfb
> [ 0.746000] [<c10fc97c>] ? proc_register+0x14b/0x15c
> [ 0.747000] [<c15f05db>] ? _spin_unlock+0x2c/0x41
> [ 0.748000] [<c10fc97c>] ? proc_register+0x14b/0x15c
> [ 0.749000] [<c10fcaaf>] ? create_proc_entry+0x80/0x96
> [ 0.750000] [<c1086004>] ? register_irq_proc+0x91/0xad
> [ 0.751000] [<c1086078>] ? init_irq_proc+0x58/0x65
> [ 0.752000] [<c195f2d1>] kernel_init+0x100/0x151
> [ 0.753000] [<c195f1d1>] ? kernel_init+0x0/0x151
> [ 0.754000] [<c101b7e3>] kernel_thread_helper+0x7/0x10
> [ 0.755000] ---[ end trace a7919e7f17c0a725 ]---
> [ 0.758000] initcall event_trace_init+0x0/0x13d returned 0 after 33203 usecs
> [ 0.759000] calling ksym_tracer_stat_init+0x0/0x27 @ 1
>
> config below.

I hit it too when I turned on lockstat. I have it fixed in my next
release.

-- Steve


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