mirror of
https://github.com/nyanmisaka/mpp.git
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0cd4943d07
Signed-off-by: Chandler Chen <chandler.chen@rock-chips.com> Signed-off-by: Hongjin Li <vic.hong@rock-chips.com> Signed-off-by: Herman Chen <herman.chen@rock-chips.com> Change-Id: I0946d23122b2c1061dc4c031c67074a1bb48de11
154 lines
3.3 KiB
C
154 lines
3.3 KiB
C
/* SPDX-License-Identifier: Apache-2.0 OR MIT */
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/*
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* Copyright (c) 2021 Rockchip Electronics Co., Ltd.
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*/
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#define MODULE_TAG "mpp_trace"
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#include <fcntl.h>
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#include <stdarg.h>
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#include "mpp_log.h"
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#include "mpp_mem.h"
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#include "mpp_common.h"
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#include "mpp_singleton.h"
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#include "mpp_trace.h"
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#define ATRACE_MESSAGE_LENGTH 256
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#define get_srv_trace() \
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({ \
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MppTraceSrv *__tmp; \
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if (!srv_trace) { \
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mpp_trace_srv_init(); \
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} \
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if (srv_trace) { \
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__tmp = srv_trace; \
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} else { \
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mpp_err("mpp trace srv not init at %s : %s\n", __FUNCTION__); \
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__tmp = NULL; \
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} \
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__tmp; \
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})
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typedef struct MppTraceSrv_t {
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const char *name;
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rk_s32 fd;
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} MppTraceSrv;
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static MppTraceSrv *srv_trace = NULL;
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static void mpp_trace_srv_init()
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{
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static const char *ftrace_paths[] = {
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"/sys/kernel/debug/tracing/trace_marker",
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"/debug/tracing/trace_marker",
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"/debugfs/tracing/trace_marker",
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};
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MppTraceSrv *srv = srv_trace;
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rk_u32 i;
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if (srv)
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return;
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srv = mpp_calloc(MppTraceSrv, 1);
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if (!srv) {
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mpp_err_f("failed to allocate trace service\n");
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return;
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}
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srv_trace = srv;
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srv->fd = -1;
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for (i = 0; i < MPP_ARRAY_ELEMS(ftrace_paths); i++) {
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if (!access(ftrace_paths[i], F_OK)) {
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rk_s32 fd = open(ftrace_paths[i], O_WRONLY | O_CLOEXEC);
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if (fd >= 0) {
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srv->fd = fd;
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srv->name = ftrace_paths[i];
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break;
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}
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}
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}
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}
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static void mpp_trace_srv_deinit()
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{
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MppTraceSrv *srv = srv_trace;
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if (srv) {
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if (srv->fd >= 0) {
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close(srv->fd);
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srv->fd = -1;
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}
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mpp_free(srv);
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}
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srv_trace = NULL;
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}
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static void mpp_trace_write(rk_s32 fd, const char *fmt, ...)
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{
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char buf[ATRACE_MESSAGE_LENGTH];
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va_list ap;
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rk_s32 len;
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va_start(ap, fmt);
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len = vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
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va_end(ap);
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(void)!write(fd, buf, len);
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}
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void mpp_trace_begin(const char* name)
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{
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MppTraceSrv *srv = get_srv_trace();
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if (srv && srv->fd >= 0)
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mpp_trace_write(srv->fd, "B|%d|%s", getpid(), name);
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}
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void mpp_trace_end(const char* name)
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{
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MppTraceSrv *srv = get_srv_trace();
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if (srv && srv->fd >= 0)
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mpp_trace_write(srv->fd, "E|%d|%s", getpid(), name);
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}
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void mpp_trace_async_begin(const char* name, rk_s32 cookie)
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{
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MppTraceSrv *srv = get_srv_trace();
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if (srv && srv->fd >= 0)
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mpp_trace_write(srv->fd, "S|%d|%s|%d", getpid(), name, cookie);
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}
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void mpp_trace_async_end(const char* name, rk_s32 cookie)
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{
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MppTraceSrv *srv = get_srv_trace();
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if (srv && srv->fd >= 0)
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mpp_trace_write(srv->fd, "F|%d|%s|%d", getpid(), name, cookie);
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}
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void mpp_trace_int32(const char* name, rk_s32 value)
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{
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MppTraceSrv *srv = get_srv_trace();
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if (srv && srv->fd >= 0)
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mpp_trace_write(srv->fd, "C|%d|%s|%d", getpid(), name, value);
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}
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void mpp_trace_int64(const char* name, RK_S64 value)
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{
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MppTraceSrv *srv = get_srv_trace();
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if (srv && srv->fd >= 0)
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mpp_trace_write(srv->fd, "C|%d|%s|%lld", getpid(), name, value);
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}
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MPP_SINGLETON(MPP_SGLN_TRACE, mpp_trace, mpp_trace_srv_init, mpp_trace_srv_deinit)
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