projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| a39ff7e2 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 | get_prefix = function(buf, char) | |
| 14 | -- if initial_timestamp == 0 then | |
| 15 | -- initial_timestamp = buf.timestamp | |
| 16 | -- end | |
| 17 | local secs = trace.convert_timestamp_to_nanoseconds(buf.timestamp - initial_timestamp) / 1000000000 | |
| 18 | ||
| 19 | return string.format("%s %6.9f %-30s", | |
| 20 | char, secs, buf.debugname) | |
| 21 | end | |
| 22 | ||
| 23 | initial_arm_timestamp = 0 | |
| 24 | format_timestamp_arm = function(ts) | |
| 25 | local secs = trace.convert_timestamp_to_nanoseconds(ts - initial_arm_timestamp) / 1000000000 | |
| 26 | return string.format("%6.9f", secs); | |
| 27 | end | |
| 28 | ||
| 29 | initial_intel_timestamp = 0 | |
| 30 | format_timestamp_intel = function(ts) | |
| 31 | local secs = (ts - initial_intel_timestamp) / 1000000000 | |
| 32 | return string.format("%6.9f", secs); | |
| 33 | end | |
| 34 | ||
| 35 | format_timestamp_ns = function(ts) | |
| 36 | local secs = (ts) / 1000000000 | |
| 37 | return string.format("%6.9f", secs); | |
| 38 | end | |
| 39 | ||
| 40 | trace_codename("MACH_CLOCK_BRIDGE_RESET_TS", function(buf) | |
| 41 | local prefix = get_prefix(buf, "X") | |
| 42 | local reason = "UNKNOWN"; | |
| 43 | if buf[3] == 1 then | |
| 44 | reason = "RecvSentinel" | |
| 45 | elseif buf[3] == 2 then | |
| 46 | reason = "ResetTrue" | |
| 47 | elseif buf[3] == 3 then | |
| 48 | reason = "RateZero" | |
| d26ffc64 A |
49 | elseif buf[3] == 4 then |
| 50 | reason = "TSMismatch" | |
| a39ff7e2 A |
51 | end |
| 52 | printf("%s %-15s ( %-10s %-10s ) ----------------------------------------\n", | |
| 53 | prefix, reason, format_timestamp_arm(buf[1]), format_timestamp_intel(buf[2])) | |
| 54 | ||
| 55 | -- initial_arm_timestamp = buf[1] | |
| 56 | -- initial_intel_timestamp = buf[2] | |
| 57 | end) | |
| 58 | ||
| 59 | trace_codename("MACH_CLOCK_BRIDGE_TS_PARAMS", function(buf) | |
| 60 | local prefix = get_prefix(buf, ">") | |
| 61 | ||
| 62 | local rate | |
| 63 | if darwin.uint64_to_double then | |
| 64 | rate = darwin.uint64_to_double(buf[3]) | |
| 65 | else | |
| 66 | rate = math.nan | |
| 67 | end | |
| 68 | ||
| 69 | printf("%s %30s( %-10s %-10s ) rate = %f\n", | |
| 70 | prefix, "", format_timestamp_ns(buf[1]), format_timestamp_intel(buf[2]), | |
| 71 | rate) | |
| 72 | end) | |
| 73 | ||
| 74 | trace_codename("MACH_CLOCK_BRIDGE_REMOTE_TIME", function(buf) | |
| 75 | local prefix = get_prefix(buf, "-") | |
| 76 | ||
| 77 | printf("%s ( %-10s %-10s ) @ %-20s\n", | |
| 78 | prefix, format_timestamp_arm(buf[1]), format_timestamp_intel(buf[2]), format_timestamp_arm(buf[3])) | |
| 79 | end) | |
| 80 | ||
| 81 | trace_codename("MACH_CLOCK_BRIDGE_RCV_TS", function(buf) | |
| 82 | local prefix = get_prefix(buf, "<") | |
| 83 | ||
| 84 | if buf[2] == 0xfffffffffffffffe then | |
| 85 | printf("%s ( %-10s Sleep )\n", | |
| 86 | prefix, format_timestamp_arm(buf[1]), format_timestamp_intel(buf[2])) | |
| 87 | elseif buf[2] == 0xfffffffffffffffd then | |
| 88 | printf("%s ( %-10s Wake )\n", | |
| 89 | prefix, format_timestamp_arm(buf[1]), format_timestamp_intel(buf[2])) | |
| 90 | elseif buf[2] == 0xfffffffffffffffc then | |
| 91 | printf("%s ( %-10s Reset )\n", | |
| 92 | prefix, format_timestamp_arm(buf[1]), format_timestamp_intel(buf[2])) | |
| 93 | else | |
| d26ffc64 A |
94 | local skip = "" |
| 95 | if buf[3] == 1 then | |
| 96 | skip = "Int handler" | |
| 97 | end | |
| 98 | printf("%s ( %-10s %-10s ) %s\n", | |
| 99 | prefix, format_timestamp_arm(buf[1]), format_timestamp_intel(buf[2]), skip) | |
| a39ff7e2 A |
100 | end |
| 101 | ||
| 102 | end) | |
| 103 | ||
| d26ffc64 A |
104 | trace_codename("MACH_CLOCK_BRIDGE_SKIP_TS", function(buf) |
| 105 | local prefix = get_prefix(buf, "*") | |
| 106 | ||
| 107 | if buf[4] > 0 then | |
| 108 | printf("%s SKIP_RESET:%3d (Cur: %-10s Prev:%-10s) %-10s\n", | |
| 109 | prefix, buf[4], format_timestamp_arm(buf[1]), format_timestamp_arm(buf[3]), | |
| 110 | format_timestamp_intel(buf[2])) | |
| 111 | else | |
| 112 | printf("%s SKIP_DISTANCE: (Cur: %-10s Prev: %-10s) %-10s\n", | |
| 113 | prefix, format_timestamp_arm(buf[1]), format_timestamp_arm(buf[3]), | |
| 114 | format_timestamp_intel(buf[2])) | |
| 115 | end | |
| 116 | ||
| 117 | end) | |
| 118 | ||
| 119 | trace_codename("MACH_CLOCK_BRIDGE_TS_MISMATCH", function(buf) | |
| 120 | local prefix = get_prefix(buf, "?") | |
| 121 | ||
| 122 | local diff = (math.abs(buf[2] - buf[3]))/1000000 | |
| 123 | ||
| 124 | printf("%s ( Cur: %-10s Pred: %-10s Diff: %5.6f ms ) @ %-20s\n", | |
| 125 | prefix, format_timestamp_intel(buf[2]), format_timestamp_intel(buf[3]), | |
| 126 | diff, format_timestamp_arm(buf[1])) | |
| 127 | ||
| 128 | end) | |
| 129 | ||
| 130 | trace_codename("MACH_CLOCK_BRIDGE_OBSV_RATE", function(buf) | |
| 131 | local prefix = get_prefix(buf, "=") | |
| 132 | ||
| 133 | local rate | |
| 134 | if darwin.uint64_to_double then | |
| 135 | rate = darwin.uint64_to_double(buf[1]) | |
| 136 | else | |
| 137 | rate = math.nan | |
| 138 | end | |
| 139 | ||
| 140 | printf("%s obsv_rate = %f exceeded limits(0.8, 1.2)\n", prefix, rate) | |
| 141 | ||
| 142 | end) |