Searched refs:trace_fd (Results 1 – 6 of 6) sorted by relevance
| /linux/tools/testing/selftests/bpf/ |
| A D | trace_helpers.c | 123 int trace_fd; in read_trace_pipe() local
125 trace_fd = open(DEBUGFS "trace_pipe", O_RDONLY, 0); in read_trace_pipe()
126 if (trace_fd < 0) in read_trace_pipe()
133 sz = read(trace_fd, buf, sizeof(buf) - 1); in read_trace_pipe()
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| /linux/tools/perf/ |
| A D | builtin-ftrace.c | 571 int trace_fd; in __cmd_ftrace() local
624 trace_fd = open(trace_file, O_RDONLY); in __cmd_ftrace()
628 if (trace_fd < 0) { in __cmd_ftrace()
633 fcntl(trace_fd, F_SETFL, O_NONBLOCK); in __cmd_ftrace()
634 pollfd.fd = trace_fd; in __cmd_ftrace()
661 int n = read(trace_fd, buf, sizeof(buf)); in __cmd_ftrace()
681 int n = read(trace_fd, buf, sizeof(buf)); in __cmd_ftrace()
689 close(trace_fd); in __cmd_ftrace()
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| A D | builtin-record.c | 187 cblock->aio_fildes = trace_fd; in record__aio_write()
342 int trace_fd = rec->session->data->file.fd; in record__aio_push() local
376 static off_t record__aio_get_pos(int trace_fd) in record__aio_get_pos() argument
378 return lseek(trace_fd, 0, SEEK_CUR); in record__aio_get_pos()
381 static void record__aio_set_pos(int trace_fd, off_t pos) in record__aio_set_pos() argument
383 lseek(trace_fd, pos, SEEK_SET); in record__aio_set_pos()
432 static off_t record__aio_get_pos(int trace_fd __maybe_unused) in record__aio_get_pos()
1117 int trace_fd = rec->data.file.fd; in record__mmap_read_evlist() local
1131 off = record__aio_get_pos(trace_fd); in record__mmap_read_evlist()
1152 record__aio_set_pos(trace_fd, off); in record__mmap_read_evlist()
[all …]
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| /linux/samples/bpf/ |
| A D | hbm.c | 78 int trace_fd; in read_trace_pipe2() local
82 trace_fd = open(DEBUGFS "trace_pipe", O_RDONLY, 0); in read_trace_pipe2()
83 if (trace_fd < 0) { in read_trace_pipe2()
100 sz = read(trace_fd, buf, sizeof(buf) - 1); in read_trace_pipe2()
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| /linux/tools/tracing/latency/ |
| A D | latency-collector.c | 1139 int trace_fd; in print_tracefile() local
1152 trace_fd = open(debug_tracefile, O_RDONLY); in print_tracefile()
1154 if (trace_fd < 0) { in print_tracefile()
1195 bytes = read(trace_fd, p, bufspace); in print_tracefile()
1200 if (unlikely(close(trace_fd) != 0)) in print_tracefile()
1211 if (unlikely(close(trace_fd) != 0)) in print_tracefile()
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| /linux/Documentation/trace/ |
| A D | ftrace.rst | 543 if (trace_fd < 0)
550 write(trace_fd, buf, n);
555 trace_fd = open("trace_marker", WR_ONLY);
2302 int trace_fd;
2306 trace_fd = open(tracing_file("tracing_on"), O_WRONLY);
2309 write(trace_fd, "0", 1);
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