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author | Chih-Hung Hsieh <chh@google.com> | 2014-10-15 17:54:19 +0000 |
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committer | Android Git Automerger <android-git-automerger@android.com> | 2014-10-15 17:54:19 +0000 |
commit | 07f1300c4c4f7d3c0df540bf8df3443c3f4539cd (patch) | |
tree | 2a1b754b8993344fcd4494b077e8225d481be1cd /libcutils | |
parent | 4f083c6156cb59eddcb52094da7972f16dde2220 (diff) | |
parent | 7979f1ce5fd771aa9814ef7390f290201ae0790d (diff) | |
download | system_core-07f1300c4c4f7d3c0df540bf8df3443c3f4539cd.zip system_core-07f1300c4c4f7d3c0df540bf8df3443c3f4539cd.tar.gz system_core-07f1300c4c4f7d3c0df540bf8df3443c3f4539cd.tar.bz2 |
am 7979f1ce: Merge "Do not inline rarely used trace function bodies."
* commit '7979f1ce5fd771aa9814ef7390f290201ae0790d':
Do not inline rarely used trace function bodies.
Diffstat (limited to 'libcutils')
-rw-r--r-- | libcutils/trace.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/libcutils/trace.c b/libcutils/trace.c index f57aac2..4396625 100644 --- a/libcutils/trace.c +++ b/libcutils/trace.c @@ -30,6 +30,13 @@ #define LOG_TAG "cutils-trace" #include <log/log.h> +/** + * Maximum size of a message that can be logged to the trace buffer. + * Note this message includes a tag, the pid, and the string given as the name. + * Names should be kept short to get the most use of the trace buffer. + */ +#define ATRACE_MESSAGE_LENGTH 1024 + volatile int32_t atrace_is_ready = 0; int atrace_marker_fd = -1; uint64_t atrace_enabled_tags = ATRACE_TAG_NOT_READY; @@ -183,3 +190,53 @@ void atrace_setup() { pthread_once(&atrace_once_control, atrace_init_once); } + +void atrace_begin_body(const char* name) +{ + char buf[ATRACE_MESSAGE_LENGTH]; + size_t len; + + len = snprintf(buf, ATRACE_MESSAGE_LENGTH, "B|%d|%s", getpid(), name); + write(atrace_marker_fd, buf, len); +} + + +void atrace_async_begin_body(const char* name, int32_t cookie) +{ + char buf[ATRACE_MESSAGE_LENGTH]; + size_t len; + + len = snprintf(buf, ATRACE_MESSAGE_LENGTH, "S|%d|%s|%" PRId32, + getpid(), name, cookie); + write(atrace_marker_fd, buf, len); +} + +void atrace_async_end_body(const char* name, int32_t cookie) +{ + char buf[ATRACE_MESSAGE_LENGTH]; + size_t len; + + len = snprintf(buf, ATRACE_MESSAGE_LENGTH, "F|%d|%s|%" PRId32, + getpid(), name, cookie); + write(atrace_marker_fd, buf, len); +} + +void atrace_int_body(const char* name, int32_t value) +{ + char buf[ATRACE_MESSAGE_LENGTH]; + size_t len; + + len = snprintf(buf, ATRACE_MESSAGE_LENGTH, "C|%d|%s|%" PRId32, + getpid(), name, value); + write(atrace_marker_fd, buf, len); +} + +void atrace_int64_body(const char* name, int64_t value) +{ + char buf[ATRACE_MESSAGE_LENGTH]; + size_t len; + + len = snprintf(buf, ATRACE_MESSAGE_LENGTH, "C|%d|%s|%" PRId64, + getpid(), name, value); + write(atrace_marker_fd, buf, len); +} |