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77cb2fea1e
The tracing infrastructure is adding a macro TRACE_SYSTEM_STRING, and
hit the following build failure:
In file included from include/trace/define_trace.h:90:0,
from drivers/gpu/drm/.//radeon/radeon_trace.h:209,
from drivers/gpu/drm/.//radeon/radeon_trace_points.c:9:
>> include/trace/ftrace.h:28:0: warning: "TRACE_SYSTEM_STRING" redefined
#define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
Seems that the DRM folks have added their own use to the
TRACE_SYSTEM_STRING, with:
#define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
Although, I can not find its use anywhere. I could simply use another
name, but if this macro is not being used, it should be removed.
Link: http://lkml.kernel.org/r/20150402123736.01eda052@gandalf.local.home
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Tested-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
#if !defined(_DRM_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
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#define _DRM_TRACE_H_
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#include <linux/stringify.h>
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#include <linux/types.h>
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#include <linux/tracepoint.h>
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM drm
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#define TRACE_INCLUDE_FILE drm_trace
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TRACE_EVENT(drm_vblank_event,
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TP_PROTO(int crtc, unsigned int seq),
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TP_ARGS(crtc, seq),
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TP_STRUCT__entry(
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__field(int, crtc)
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__field(unsigned int, seq)
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),
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TP_fast_assign(
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__entry->crtc = crtc;
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__entry->seq = seq;
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),
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TP_printk("crtc=%d, seq=%u", __entry->crtc, __entry->seq)
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);
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TRACE_EVENT(drm_vblank_event_queued,
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TP_PROTO(pid_t pid, int crtc, unsigned int seq),
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TP_ARGS(pid, crtc, seq),
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TP_STRUCT__entry(
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__field(pid_t, pid)
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__field(int, crtc)
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__field(unsigned int, seq)
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),
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TP_fast_assign(
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__entry->pid = pid;
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__entry->crtc = crtc;
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__entry->seq = seq;
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),
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TP_printk("pid=%d, crtc=%d, seq=%u", __entry->pid, __entry->crtc, \
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__entry->seq)
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);
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TRACE_EVENT(drm_vblank_event_delivered,
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TP_PROTO(pid_t pid, int crtc, unsigned int seq),
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TP_ARGS(pid, crtc, seq),
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TP_STRUCT__entry(
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__field(pid_t, pid)
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__field(int, crtc)
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__field(unsigned int, seq)
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),
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TP_fast_assign(
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__entry->pid = pid;
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__entry->crtc = crtc;
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__entry->seq = seq;
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),
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TP_printk("pid=%d, crtc=%d, seq=%u", __entry->pid, __entry->crtc, \
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__entry->seq)
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);
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#endif /* _DRM_TRACE_H_ */
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/* This part must be outside protection */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#include <trace/define_trace.h>
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