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https://github.com/brl/mutter.git
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7810f0e276
This way, it shows up as "Compositor" in Sysprof instead of "t:XYZ". https://gitlab.gnome.org/GNOME/mutter/merge_requests/197
148 lines
4.6 KiB
C
148 lines
4.6 KiB
C
/*
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* Copyright 2018 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef COGL_TRACE_H
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#define COGL_TRACE_H
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#include "cogl-config.h"
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#ifdef HAVE_TRACING
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#include <glib.h>
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#include <sysprof-capture-writer.h>
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#include <sysprof-clock.h>
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#include <stdint.h>
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#include <errno.h>
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typedef struct _CoglTraceContext
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{
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SysprofCaptureWriter *writer;
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} CoglTraceContext;
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typedef struct _CoglTraceThreadContext
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{
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int cpu_id;
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GPid pid;
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char *group;
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} CoglTraceThreadContext;
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typedef struct _CoglTraceHead
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{
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SysprofTimeStamp begin_time;
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const char *name;
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} CoglTraceHead;
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extern GPrivate cogl_trace_thread_data;
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extern CoglTraceContext *cogl_trace_context;
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extern GMutex cogl_trace_mutex;
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void cogl_set_tracing_enabled_on_thread_with_fd (GMainContext *main_context,
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const char *group,
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int fd);
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void cogl_set_tracing_enabled_on_thread (GMainContext *main_context,
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const char *group,
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const char *filename);
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void cogl_set_tracing_disabled_on_thread (GMainContext *main_context);
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static inline void
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cogl_trace_begin (CoglTraceHead *head,
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const char *name)
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{
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head->begin_time = g_get_monotonic_time () * 1000;
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head->name = name;
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}
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static inline void
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cogl_trace_end (CoglTraceHead *head)
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{
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SysprofTimeStamp end_time;
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CoglTraceContext *trace_context;
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CoglTraceThreadContext *trace_thread_context;
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end_time = g_get_monotonic_time () * 1000;
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trace_context = cogl_trace_context;
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trace_thread_context = g_private_get (&cogl_trace_thread_data);
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g_mutex_lock (&cogl_trace_mutex);
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if (!sysprof_capture_writer_add_mark (trace_context->writer,
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head->begin_time,
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trace_thread_context->cpu_id,
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trace_thread_context->pid,
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(uint64_t) end_time - head->begin_time,
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trace_thread_context->group,
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head->name,
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NULL))
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{
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/* XXX: g_main_context_get_thread_default() might be wrong, it probably
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* needs to store the GMainContext in CoglTraceThreadContext when creating
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* and use it here.
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*/
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if (errno == EPIPE)
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cogl_set_tracing_disabled_on_thread (g_main_context_get_thread_default ());
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}
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g_mutex_unlock (&cogl_trace_mutex);
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}
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static inline void
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cogl_auto_trace_end_helper (CoglTraceHead **head)
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{
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if (*head)
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cogl_trace_end (*head);
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}
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#define COGL_TRACE_BEGIN(Name, description) \
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CoglTraceHead CoglTrace##Name = { 0 }; \
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if (g_private_get (&cogl_trace_thread_data)) \
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cogl_trace_begin (&CoglTrace##Name, description); \
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#define COGL_TRACE_END(Name)\
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if (g_private_get (&cogl_trace_thread_data)) \
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cogl_trace_end (&CoglTrace##Name);
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#define COGL_TRACE_BEGIN_SCOPED(Name, description) \
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CoglTraceHead CoglTrace##Name = { 0 }; \
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__attribute__((cleanup (cogl_auto_trace_end_helper))) \
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CoglTraceHead *ScopedCoglTrace##Name = NULL; \
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if (g_private_get (&cogl_trace_thread_data)) \
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{ \
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cogl_trace_begin (&CoglTrace##Name, description); \
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ScopedCoglTrace##Name = &CoglTrace##Name; \
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}
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#else /* HAVE_TRACING */
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#include <stdio.h>
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#define COGL_TRACE_BEGIN(Name, description) (void) 0
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#define COGL_TRACE_END(Name) (void) 0
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#define COGL_TRACE_BEGIN_SCOPED(Name, description) (void) 0
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void cogl_set_tracing_enabled_on_thread_with_fd (void *data,
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const char *group,
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int fd);
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void cogl_set_tracing_enabled_on_thread (void *data,
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const char *group,
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const char *filename);
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void cogl_set_tracing_disabled_on_thread (void *data);
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#endif /* HAVE_TRACING */
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#endif /* COGL_TRACE_H */
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