Messages in this thread Patch in this message | | | Date | Fri, 15 May 2009 17:03:45 -0400 | From | Steven Rostedt <> | Subject | [PATCH 3/3] tracing: add flag output for kmem events |
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From: Steven Rostedt <srostedt@redhat.com>
This patch changes the output for gfp_flags from being a simple hex value to the actual names.
gfp_flags=GFP_ATOMIC instead of gfp_flags=00000020
And even
gfp_flags=GFP_KERNEL instead of gfp_flags=000000d0
[ Impact: more human readable output from tracer ]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- include/trace/events/kmem.h | 43 +++++++++++++++++++++++++++++++++++-------- 1 files changed, 35 insertions(+), 8 deletions(-)
diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h index c22c42f..9b3886b 100644 --- a/include/trace/events/kmem.h +++ b/include/trace/events/kmem.h @@ -7,6 +7,33 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM kmem +#define show_gfp_flags(flags) \ + (flags) ? __print_flags(flags, "|", \ + (unsigned long)GFP_KERNEL, "GFP_KERNEL", \ + (unsigned long)GFP_NOFS, "GFP_NOFS", \ + (unsigned long)GFP_TEMPORARY, "GFP_TEMPORARY", \ + (unsigned long)GFP_USER, "GFP_USER", \ + (unsigned long)GFP_HIGHUSER, "GFP_HIGHUSER", \ + (unsigned long)GFP_HIGHUSER_MOVABLE, "GFP_HIGHUSER_MOVABLE", \ + (unsigned long)GFP_ATOMIC, "GFP_ATOMIC", \ + (unsigned long)GFP_NOIO, "GFP_NOIO", \ + (unsigned long)__GFP_HIGH, "GFP_HIGH", \ + (unsigned long)__GFP_WAIT, "GFP_WAIT", \ + (unsigned long)__GFP_IO, "GFP_IO", \ + (unsigned long)__GFP_COLD, "GFP_COLD", \ + (unsigned long)__GFP_NOWARN, "GFP_NOWARN", \ + (unsigned long)__GFP_REPEAT, "GFP_REPEAT", \ + (unsigned long)__GFP_NOFAIL, "GFP_NOFAIL", \ + (unsigned long)__GFP_NORETRY, "GFP_NORETRY", \ + (unsigned long)__GFP_COMP, "GFP_COMP", \ + (unsigned long)__GFP_ZERO, "GFP_ZERO", \ + (unsigned long)__GFP_NOMEMALLOC, "GFP_NOMEMALLOC", \ + (unsigned long)__GFP_HARDWALL, "GFP_HARDWALL", \ + (unsigned long)__GFP_THISNODE, "GFP_THISNODE", \ + (unsigned long)__GFP_RECLAIMABLE, "GFP_RECLAIMABLE", \ + (unsigned long)__GFP_MOVABLE, "GFP_MOVABLE" \ + ) : "GFP_NOWAIT" + TRACE_EVENT(kmalloc, TP_PROTO(unsigned long call_site, @@ -33,12 +60,12 @@ TRACE_EVENT(kmalloc, __entry->gfp_flags = gfp_flags; ), - TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%08x", + TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s", __entry->call_site, __entry->ptr, __entry->bytes_req, __entry->bytes_alloc, - __entry->gfp_flags) + show_gfp_flags(__entry->gfp_flags)) ); TRACE_EVENT(kmem_cache_alloc, @@ -67,12 +94,12 @@ TRACE_EVENT(kmem_cache_alloc, __entry->gfp_flags = gfp_flags; ), - TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%08x", + TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s", __entry->call_site, __entry->ptr, __entry->bytes_req, __entry->bytes_alloc, - __entry->gfp_flags) + show_gfp_flags(__entry->gfp_flags)) ); TRACE_EVENT(kmalloc_node, @@ -104,12 +131,12 @@ TRACE_EVENT(kmalloc_node, __entry->node = node; ), - TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%08x node=%d", + TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d", __entry->call_site, __entry->ptr, __entry->bytes_req, __entry->bytes_alloc, - __entry->gfp_flags, + show_gfp_flags(__entry->gfp_flags), __entry->node) ); @@ -142,12 +169,12 @@ TRACE_EVENT(kmem_cache_alloc_node, __entry->node = node; ), - TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%08x node=%d", + TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d", __entry->call_site, __entry->ptr, __entry->bytes_req, __entry->bytes_alloc, - __entry->gfp_flags, + show_gfp_flags(__entry->gfp_flags), __entry->node) ); -- 1.6.2.4 --
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