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Diffstat (limited to 'runtime/lket/b2a/README')
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diff --git a/runtime/lket/b2a/README b/runtime/lket/b2a/README new file mode 100644 index 00000000..004cc640 --- /dev/null +++ b/runtime/lket/b2a/README @@ -0,0 +1,48 @@ +b2a: a binary2ascii converter for LKET + +It is used to convert the binary trace data generated by systemtap +with LKET into readable data in ascii format. + +It uses the pre-cpu binary trace data files as inputs, and generates +an output file named "lket.out". You can use "stap -b -M" with LKET +to get those pre-cpu files (stpd_cpu*) before using it. + +How to build: + gcc -O2 -o b2a lket_b2a.c + +How to use: + ./b2a stpd_cpuX [stpd_cpuY ...] + or + ./b2a stpd_cpu* + +The following is a typical output of b2a: + +LKET Magic: 0xAEFCDB6B +InitHdrLen: 4 +Version Major: 0 +Version Minor: 1 +Big endian: YES +Bits width: 2 +0.0 App1[PID:24456 PPID:24371 TID:24456] CPU:3 HOOKGRP:2 HOOKID:1 HOOKDATA:0 swapper +0.3 App1[PID:24456 PPID:24371 TID:24456] CPU:3 HOOKGRP:2 HOOKID:1 HOOKDATA:1 init +... +0.723810 App9[PID:3345 PPID:1 TID:3345] CPU:7 HOOKGRP:1 HOOKID:1 HOOKDATA:sys_gettimeofday +0.723814 App9[PID:3345 PPID:1 TID:3345] CPU:7 HOOKGRP:1 HOOKID:2 HOOKDATA:sys_gettimeofday +0.723820 App9[PID:3345 PPID:1 TID:3345] CPU:7 HOOKGRP:1 HOOKID:1 HOOKDATA:sys_poll +0.723837 App9[PID:3345 PPID:1 TID:3345] CPU:7 HOOKGRP:4 HOOKID:2 HOOKDATA:3345 c0000000004418c4 c000000007400040 c0000000004418b4 c0000000004433cc c0000000000cce80 c00000000002a408 80d0b2154c 80d2da7b40 +... +36.365564 App35[PID:24491 PPID:18767 TID:24491] CPU:3 HOOKGRP:6 HOOKID:1 HOOKDATA:268585192 0 +36.365571 App35[PID:24491 PPID:18767 TID:24491] CPU:3 HOOKGRP:1 HOOKID:1 HOOKDATA:compat_sys_execve +36.365579 App35[PID:24491 PPID:18767 TID:24491] CPU:3 HOOKGRP:2 HOOKID:2 HOOKDATA:/bin/ls +... +37.495705 App35[PID:24491 PPID:18767 TID:24491] CPU:4 HOOKGRP:1 HOOKID:1 HOOKDATA:sys_getdents64 +37.495730 App35[PID:24491 PPID:18767 TID:24491] CPU:4 HOOKGRP:3 HOOKID:2 HOOKDATA:anticipatory 8 0 +37.495738 App35[PID:24491 PPID:18767 TID:24491] CPU:4 HOOKGRP:3 HOOKID:1 HOOKDATA:anticipatory -1 -1 +37.495769 App35[PID:24491 PPID:18767 TID:24491] CPU:4 HOOKGRP:5 HOOKID:1 HOOKDATA:8 0 2 c0000000002fd8dc c000000002a52d48 c0000000001f160c +37.495775 App35[PID:24491 PPID:18767 TID:24491] CPU:4 HOOKGRP:5 HOOKID:1 HOOKDATA:8 0 2 +37.495784 App35[PID:24491 PPID:18767 TID:24491] CPU:4 HOOKGRP:5 HOOKID:2 HOOKDATA:2 1 2 -4611686018331225216 4096 45812 +... +37.516707 App32[PID:18763 PPID:3079 TID:18763] CPU:5 HOOKGRP:7 HOOKID:2 HOOKDATA:eth0 106 2048 1880 +... +37.517938 App4[PID:0 PPID:1 TID:0] CPU:1 HOOKGRP:7 HOOKID:1 HOOKDATA:eth0 46 2048 728 +... |