Searched refs:trace_fd (Results 1 – 5 of 5) sorted by relevance
| /linux-6.15/tools/perf/ |
| H A D | builtin-ftrace.c | 624 int trace_fd; in __cmd_ftrace() local
661 if (trace_fd < 0) { in __cmd_ftrace()
667 pollfd.fd = trace_fd; in __cmd_ftrace()
724 close(trace_fd); in __cmd_ftrace()
1002 int trace_fd; in __cmd_latency() local
1011 if (trace_fd < 0) in __cmd_latency()
1015 pollfd.fd = trace_fd; in __cmd_latency()
1065 close(trace_fd); in __cmd_latency()
1296 int trace_fd; in __cmd_profile() local
1336 if (trace_fd < 0) { in __cmd_profile()
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| H A D | builtin-record.c | 293 cblock->aio_fildes = trace_fd; in record__aio_write()
452 int trace_fd = rec->session->data->file.fd; in record__aio_push() local
486 static off_t record__aio_get_pos(int trace_fd) in record__aio_get_pos() argument
488 return lseek(trace_fd, 0, SEEK_CUR); in record__aio_get_pos()
491 static void record__aio_set_pos(int trace_fd, off_t pos) in record__aio_set_pos() argument
493 lseek(trace_fd, pos, SEEK_SET); in record__aio_set_pos()
542 static off_t record__aio_get_pos(int trace_fd __maybe_unused) in record__aio_get_pos()
1585 int trace_fd = rec->data.file.fd; in record__mmap_read_evlist() local
1601 off = record__aio_get_pos(trace_fd); in record__mmap_read_evlist()
1622 record__aio_set_pos(trace_fd, off); in record__mmap_read_evlist()
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| /linux-6.15/samples/bpf/ |
| H A D | hbm.c | 76 int trace_fd; in read_trace_pipe2() local
80 trace_fd = open(TRACEFS "trace_pipe", O_RDONLY, 0); in read_trace_pipe2()
81 if (trace_fd < 0) { in read_trace_pipe2()
98 sz = read(trace_fd, buf, sizeof(buf) - 1); in read_trace_pipe2()
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| /linux-6.15/tools/tracing/latency/ |
| H 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-6.15/Documentation/trace/ |
| H A D | ftrace.rst | 622 if (trace_fd < 0)
629 write(trace_fd, buf, n);
634 trace_fd = open("trace_marker", O_WRONLY);
2419 int trace_fd;
2423 trace_fd = open(tracing_file("tracing_on"), O_WRONLY);
2426 write(trace_fd, "0", 1);
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