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Use DTrace for debugging instrumentation instead of hand-rolled stuff.
The saio_debug module is now unused (and not even compiled in). The rest of the code got cleaned up from adhoc debugging and instead now exposes a few strategically positioned DTrace entry points.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| #------------------------------------------------------------------------- | ||
| # sed script to create dummy probes.h file when dtrace is not available | ||
| # | ||
| # Copyright (c) 2008-2011, PostgreSQL Global Development Group | ||
| # | ||
| # src/backend/utils/Gen_dummy_probes.sed | ||
| #------------------------------------------------------------------------- | ||
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| /^[ ]*probe /!d | ||
| s/^[ ]*probe \([^(]*\)\(.*\);/\1\2/ | ||
| s/__/_/g | ||
| y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/ | ||
| s/^/#define TRACE_SAIO_/ | ||
| s/([^,)]\{1,\})/(INT1)/ | ||
| s/([^,)]\{1,\}, [^,)]\{1,\})/(INT1, INT2)/ | ||
| s/([^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\})/(INT1, INT2, INT3)/ | ||
| s/([^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\})/(INT1, INT2, INT3, INT4)/ | ||
| s/([^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\})/(INT1, INT2, INT3, INT4, INT5)/ | ||
| s/([^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\})/(INT1, INT2, INT3, INT4, INT5, INT6)/ | ||
| s/([^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\})/(INT1, INT2, INT3, INT4, INT5, INT6, INT7)/ | ||
| s/([^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\}, [^,)]\{1,\})/(INT1, INT2, INT3, INT4, INT5, INT6, INT7, INT8)/ | ||
| P | ||
| s/(.*$/_ENABLED() (0)/ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| provider saio { | ||
| probe planning_start(); | ||
| probe planning_done(); | ||
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| /* param: status, current cost as integer, current temperature, elapsed loops, failed moves */ | ||
| probe step_done(int, int, int, int, int); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| /* Generated by the Systemtap dtrace wrapper */ | ||
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| #define _SDT_HAS_SEMAPHORES 1 | ||
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| #define STAP_HAS_SEMAPHORES 1 /* deprecated */ | ||
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| #include <sys/sdt.h> | ||
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| /* TRACE_SAIO_PLANNING_START () */ | ||
| #if defined STAP_SDT_V1 | ||
| #define TRACE_SAIO_PLANNING_START_ENABLED() __builtin_expect (planning_start_semaphore, 0) | ||
| #define saio_planning_start_semaphore planning_start_semaphore | ||
| #else | ||
| #define TRACE_SAIO_PLANNING_START_ENABLED() __builtin_expect (saio_planning_start_semaphore, 0) | ||
| #endif | ||
| __extension__ extern unsigned short saio_planning_start_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes"))); | ||
| #define TRACE_SAIO_PLANNING_START() \ | ||
| DTRACE_PROBE(saio,planning_start) | ||
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| /* TRACE_SAIO_PLANNING_DONE () */ | ||
| #if defined STAP_SDT_V1 | ||
| #define TRACE_SAIO_PLANNING_DONE_ENABLED() __builtin_expect (planning_done_semaphore, 0) | ||
| #define saio_planning_done_semaphore planning_done_semaphore | ||
| #else | ||
| #define TRACE_SAIO_PLANNING_DONE_ENABLED() __builtin_expect (saio_planning_done_semaphore, 0) | ||
| #endif | ||
| __extension__ extern unsigned short saio_planning_done_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes"))); | ||
| #define TRACE_SAIO_PLANNING_DONE() \ | ||
| DTRACE_PROBE(saio,planning_done) | ||
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| /* TRACE_SAIO_STEP_DONE ( int, int, int, int, int) */ | ||
| #if defined STAP_SDT_V1 | ||
| #define TRACE_SAIO_STEP_DONE_ENABLED() __builtin_expect (step_done_semaphore, 0) | ||
| #define saio_step_done_semaphore step_done_semaphore | ||
| #else | ||
| #define TRACE_SAIO_STEP_DONE_ENABLED() __builtin_expect (saio_step_done_semaphore, 0) | ||
| #endif | ||
| __extension__ extern unsigned short saio_step_done_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes"))); | ||
| #define TRACE_SAIO_STEP_DONE(arg1,arg2,arg3,arg4,arg5) \ | ||
| DTRACE_PROBE5(saio,step_done,arg1,arg2,arg3,arg4,arg5) | ||
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