projects / apple / libpthread.git / blame
| Commit | Line | Data |
|---|---|---|
| a0619f9c A |
1 | #!/usr/local/bin/luatrace -s |
| 2 | ||
| 3 | trace_codename = function(codename, callback) | |
| 4 | local debugid = trace.debugid(codename) | |
| 5 | if debugid ~= 0 then | |
| 6 | trace.single(debugid,callback) | |
| 7 | else | |
| 8 | printf("WARNING: Cannot locate debugid for '%s'\n", codename) | |
| 9 | end | |
| 10 | end | |
| 11 | ||
| 12 | initial_timestamp = 0 | |
| 13 | workqueue_ptr_map = {}; | |
| 14 | get_prefix = function(buf) | |
| 15 | if initial_timestamp == 0 then | |
| 16 | initial_timestamp = buf.timestamp | |
| 17 | end | |
| 18 | local secs = trace.convert_timestamp_to_nanoseconds(buf.timestamp - initial_timestamp) / 1000000000 | |
| 19 | ||
| 20 | local prefix | |
| 21 | if trace.debugid_is_start(buf.debugid) then | |
| 22 | prefix = "→" | |
| 23 | elseif trace.debugid_is_end(buf.debugid) then | |
| 24 | prefix = "←" | |
| 25 | else | |
| 26 | prefix = "↔" | |
| 27 | end | |
| 28 | ||
| 29 | local proc | |
| 30 | if buf.command ~= "kernel_task" then | |
| 31 | proc = buf.command | |
| 32 | workqueue_ptr_map[buf[1]] = buf.command | |
| 33 | elseif workqueue_ptr_map[buf[1]] ~= nil then | |
| 34 | proc = workqueue_ptr_map[buf[1]] | |
| 35 | else | |
| 36 | proc = "UNKNOWN" | |
| 37 | end | |
| 38 | ||
| 39 | return string.format("%s %6.9f %-17s [%05d.%06x] %-24s", | |
| 40 | prefix, secs, proc, buf.pid, buf.threadid, buf.debugname) | |
| 41 | end | |
| 42 | ||
| 43 | trace_codename("pthread_thread_create", function(buf) | |
| 44 | local prefix = get_prefix(buf) | |
| 45 | if trace.debugid_is_start(buf.debugid) then | |
| 46 | printf("%s\tthread creation request: 0x%x\n", prefix, buf[1]) | |
| 47 | elseif trace.debugid_is_end(buf.debugid) then | |
| 48 | printf("%s\t thread creation complete: pthread 0x%x (error: %d)\n", prefix, buf[2], buf[1]) | |
| 49 | elseif buf[4] == 2 then | |
| 50 | printf("%s\t thread stack created: 0x%x + 0x%x\n", prefix, buf[2], buf[1]) | |
| 51 | elseif buf[4] == 3 then | |
| 52 | printf("%s\t thread using custom stack") | |
| 53 | end | |
| 54 | end) | |
| 55 | ||
| 56 | trace_codename("pthread_thread_terminate", function(buf) | |
| 57 | local prefix = get_prefix(buf) | |
| 58 | if trace.debugid_is_start(buf.debugid) then | |
| 59 | printf("%s\tthread terminate: stack 0x%x + 0x%x, kthport 0x%x\n", prefix, buf[1], buf[2], buf[3]) | |
| 60 | elseif trace.debugid_is_end(buf.debugid) then | |
| 61 | printf("%s\t thread terminate: ret %d\n", prefix, buf[1]) | |
| 62 | end | |
| 63 | end) | |
| 64 | ||
| 65 | -- The trace codes we need aren't enabled by default | |
| 66 | darwin.sysctlbyname("kern.pthread_debug_tracing", 1) | |
| 67 | completion_handler = function() | |
| 68 | darwin.sysctlbyname("kern.pthread_debug_tracing", 0) | |
| 69 | end | |
| 70 | trace.set_completion_handler(completion_handler) |