kPrf2Read.cpp

Last change on this file was 77, checked in by bird, 8 years ago
prof/dbg: uninitialized variable, missing printf args, pedantic formatting types.
Property svn:keywords set to `Id Revision`
File size: 14.4 KB

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1	/* $Id: kPrf2Read.cpp 77 2016-06-22 17:03:55Z bird $ */
2	/** @file
3	* kProfiler Mark 2 - The reader and producer of statistics.
4	*/
5
6	/*
7	* Copyright (c) 2006-2007 Knut St. Osmundsen <bird-kStuff-spamix@anduin.net>
8	*
9	* Permission is hereby granted, free of charge, to any person
10	* obtaining a copy of this software and associated documentation
11	* files (the "Software"), to deal in the Software without
12	* restriction, including without limitation the rights to use,
13	* copy, modify, merge, publish, distribute, sublicense, and/or sell
14	* copies of the Software, and to permit persons to whom the
15	* Software is furnished to do so, subject to the following
16	* conditions:
17	*
18	* The above copyright notice and this permission notice shall be
19	* included in all copies or substantial portions of the Software.
20	*
21	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
23	* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
25	* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
26	* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
28	* OTHER DEALINGS IN THE SOFTWARE.
29	*/
30
31	/*******************************************************************************
32	* Header Files *
33	*******************************************************************************/
34	#include <stdio.h>
35	#include <stdlib.h>
36	#include <string.h>
37	#include <stdarg.h>
38	#include <k/kDbg.h>
39
40
41	/** @def KPRF_OFF2PTR
42	* Internal helper for converting a offset to a pointer.
43	* @internal
44	*/
45	#define KPRF_OFF2PTR(TypePrefix, TypeName, off, pHdr) \
46	( (KPRF_TYPE(TypePrefix, TypeName)) ((off) + (KUPTR)pHdr) )
47
48	/** @def KPRF_ALIGN
49	* The usual align macro.
50	* @internal
51	*/
52	#define KPRF_ALIGN(n, align) ( ((n) + ( (align) - 1)) & ~((align) - 1) )
53
54	/** @def KPRF_OFFSETOF
55	* My usual extended offsetof macro, except this returns KU32 and mangles the type name.
56	* @internal
57	*/
58	#define KPRF_OFFSETOF(kPrfType, Member) ( (KU32)(KUPTR)&((KPRF_TYPE(P,kPrfType))0)->Member )
59
60	/** @def PRF_SIZEOF
61	* Size of a kPrf type.
62	* @internal
63	*/
64	#define KPRF_SIZEOF(kPrfType) sizeof(KPRF_TYPE(,kPrfType))
65
66	#ifdef _MSC_VER
67	# define KPRF_FMT_U64 "I64u"
68	# define KPRF_FMT_X64 "I64x"
69	# define KPRF_FMT_I64 "I64d"
70	#else
71	# define KPRF_FMT_X64 "llx"
72	# define KPRF_FMT_U64 "llu"
73	# define KPRF_FMT_I64 "lld"
74	#endif
75
76
77	/*
78	* Instantiate the readers.
79	*/
80	/* 32-bit */
81	#define KPRF_NAME(Suffix) KPrf32##Suffix
82	#define KPRF_TYPE(Prefix,Suffix) Prefix##KPRF32##Suffix
83	#define KPRF_BITS 32
84	#define KPRF_FMT_UPTR "#010x"
85
86	#include "prfcore.h.h"
87	#include "prfreader.cpp.h"
88
89	#undef KPRF_FMT_UPTR
90	#undef KPRF_NAME
91	#undef KPRF_TYPE
92	#undef KPRF_BITS
93
94	/* 64-bit */
95	#define KPRF_NAME(Suffix) KPrf64##Suffix
96	#define KPRF_TYPE(Prefix,Suffix) Prefix##KPRF64##Suffix
97	#define KPRF_BITS 64
98	#ifdef _MSC_VER
99	# define KPRF_FMT_UPTR "#018I64x"
100	#else
101	# define KPRF_FMT_UPTR "#018llx"
102	#endif
103
104	#include "prfcore.h.h"
105	#include "prfreader.cpp.h"
106
107	#undef KPRF_FMT_UPTR
108	#undef KPRF_NAME
109	#undef KPRF_TYPE
110	#undef KPRF_BITS
111
112
113	/*******************************************************************************
114	* Structures and Typedefs *
115	*******************************************************************************/
116	/**
117	* Header union type.
118	*/
119	typedef union KPRFHDR
120	{
121	KPRF32HDR Hdr32;
122	KPRF64HDR Hdr64;
123	} KPRFHDR;
124	typedef KPRFHDR *PKPRFHDR;
125	typedef const KPRFHDR *PCKPRFHDR;
126
127
128
129	/**
130	* Read the data set into memory.
131	*
132	* @returns Pointer to the loaded data set. (release using free()).
133	*
134	* @param pszFilename The path to the profiler data set.
135	* @param pcb Where to store the size of the data set.
136	* @param pOut Where to write errors.
137	*/
138	PKPRFHDR kPrfLoad(const char pszFilename, KU32 pcb, FILE *pOut)
139	{
140	FILE *pFile = fopen(pszFilename, "rb");
141	if (!pFile)
142	{
143	fprintf(pOut, "Cannot open '%s' for reading!\n", pszFilename);
144	return NULL;
145	}
146
147	/*
148	* Read the file into memory.
149	*/
150	long cbFile;
151	if ( !fseek(pFile, 0, SEEK_END)
152	&& (cbFile = ftell(pFile)) >= 0
153	&& !fseek(pFile, 0, SEEK_SET)
154	)
155	{
156	if (pcb)
157	*pcb = cbFile;
158
159	void *pvData = malloc(cbFile);
160	if (pvData)
161	{
162	if (fread(pvData, cbFile, 1, pFile))
163	{
164
165	fclose(pFile);
166	return (PKPRFHDR)pvData;
167	}
168	fprintf(pOut, "Failed reading '%s' into memory!\n", pszFilename);
169	free(pvData);
170	}
171	else
172	fprintf(pOut, "Failed to allocate %ld bytes of memory for reading the file '%s' into!\n", cbFile, pszFilename);
173	}
174	else
175	fprintf(pOut, "Failed to determin the size of '%s'!\n", pszFilename);
176
177	fclose(pFile);
178	return NULL;
179	}
180
181
182	/**
183	* Validates the data set
184	*
185	* @returns true if valid.
186	* @returns false if invalid.
187	*
188	* @param pHdr Pointer to the data set.
189	* @param cb The size of the data set.
190	* @param pOut Where to write error messages.
191	*/
192	static bool kPrfIsValidate(PCKPRFHDR pHdr, KU32 cb, FILE *pOut)
193	{
194	/*
195	* We ASSUMES that the header is identicial with the exception
196	* of the uBasePtr size. (this is padded out and the upper bits are all zero)
197	*/
198
199	if ( pHdr->Hdr32.u32Magic != KPRF32HDR_MAGIC
200	&& pHdr->Hdr32.u32Magic != KPRF64HDR_MAGIC)
201	{
202	fprintf(pOut, "Invalid magic %#x\n", pHdr->Hdr32.u32Magic);
203	return false;
204	}
205
206	if ( pHdr->Hdr32.cFormatBits != 32
207	&& pHdr->Hdr32.cFormatBits != 64)
208	{
209	fprintf(pOut, "Invalid/Unsupported bit count %u\n", pHdr->Hdr32.cFormatBits);
210	return false;
211	}
212
213	if (pHdr->Hdr32.cb > cb)
214	{
215	fprintf(pOut, "Data set size mismatch. Header say %#x, input is %#x\n", pHdr->Hdr32.cb, cb);
216	return false;
217	}
218
219	#define KPRF_VALIDATE_SIZE(MemBaseName, cb32, cb64) do {\
220	if (pHdr->Hdr32.cb##MemBaseName > (pHdr->Hdr32.cFormatBits == 32 ? cb32 : cb64)) \
221	{ \
222	fprintf(pOut, "cb" #MemBaseName " was expected to be %#x but is %#x. Probably a format change, rebuild.\n", \
223	(unsigned)(pHdr->Hdr32.cFormatBits == 32 ? cb32 : cb64), pHdr->Hdr32.cb##MemBaseName); \
224	return false; \
225	}\
226	} while (0)
227
228	KPRF_VALIDATE_SIZE(Function, sizeof(KPRF32FUNC), sizeof(KPRF64FUNC));
229	KPRF_VALIDATE_SIZE(Thread, sizeof(KPRF32THREAD), sizeof(KPRF64THREAD));
230	KPRF_VALIDATE_SIZE(Stack,
231	(KU32)&((PKPRF32STACK)0)->aFrames[pHdr->Hdr32.cMaxStackFrames],
232	(KU32)&((PKPRF64STACK)0)->aFrames[pHdr->Hdr32.cMaxStackFrames]);
233
234	KUPTR cbHeader = (KUPTR)&pHdr->Hdr32.aiFunctions[pHdr->Hdr32.cFunctions] - (KUPTR)pHdr;
235	if ( cbHeader != (KU32)cbHeader
236	\|\| cbHeader >= cb)
237	{
238	fprintf(pOut, "cFunctions (%#x) is too large to fit the lookup table inside the data set.\n",
239	pHdr->Hdr32.cFunctions);
240	return false;
241	}
242
243	/* The space assignment is hereby required to be equal to the member order in the header. */
244	KU32 offMin = cbHeader;
245	#define KPRF_VALIDATE_OFF(off, name) do {\
246	if ( off > 0 \
247	&& off < offMin) \
248	{ \
249	fprintf(pOut, #name " (%#x) is overlapping with other element or invalid space assignment order.\n", off); \
250	return false; \
251	}\
252	if (off >= cb) \
253	{ \
254	fprintf(pOut, #name " (%#x) is outside the data set (%#x)\n", off, cb); \
255	return false; \
256	}\
257	} while (0)
258	#define KPRF_VALIDATE_MEM(MemBaseName) do {\
259	KPRF_VALIDATE_OFF(pHdr->Hdr32.off##MemBaseName##s, off##MemBaseName##s); \
260	if ( pHdr->Hdr32.off##MemBaseName##s \
261	&& ( pHdr->Hdr32.off##MemBaseName##s + pHdr->Hdr32.cb##MemBaseName * pHdr->Hdr32.cMax##MemBaseName##s > cb \
262	\|\| pHdr->Hdr32.off##MemBaseName##s + pHdr->Hdr32.cb##MemBaseName * pHdr->Hdr32.cMax##MemBaseName##s < pHdr->Hdr32.off##MemBaseName##s)\
263	) \
264	{ \
265	fprintf(pOut, #MemBaseName " (%#x) is outside the data set (%#x)\n", \
266	pHdr->Hdr32.off##MemBaseName##s + pHdr->Hdr32.cb##MemBaseName * pHdr->Hdr32.cMax##MemBaseName##s, cb); \
267	return false; \
268	}\
269	if (pHdr->Hdr32.c##MemBaseName##s > pHdr->Hdr32.cMax##MemBaseName##s) \
270	{ \
271	fprintf(pOut, "c" #MemBaseName " (%#x) higher than the max (%#x)\n", \
272	pHdr->Hdr32.c##MemBaseName##s, pHdr->Hdr32.cMax##MemBaseName##s); \
273	return false; \
274	} \
275	if (pHdr->Hdr32.off##MemBaseName##s) \
276	offMin += pHdr->Hdr32.cb##MemBaseName * pHdr->Hdr32.cMax##MemBaseName##s; \
277	} while (0)
278
279	KPRF_VALIDATE_MEM(Function);
280	KPRF_VALIDATE_OFF(pHdr->Hdr32.offModSegs, offModSegs);
281	if (pHdr->Hdr32.offModSegs)
282	KPRF_VALIDATE_OFF(pHdr->Hdr32.offModSegs + pHdr->Hdr32.cbMaxModSegs, cbMaxModSegs);
283	if (pHdr->Hdr32.cbModSegs > pHdr->Hdr32.cbMaxModSegs)
284	{
285	fprintf(pOut, "ccbModSegs (%#x) higher than the max (%#x)\n",
286	pHdr->Hdr32.cbModSegs, pHdr->Hdr32.cbMaxModSegs);
287	return false;
288	}
289	if (pHdr->Hdr32.offModSegs) \
290	offMin += pHdr->Hdr32.cbMaxModSegs; \
291	KPRF_VALIDATE_MEM(Thread);
292	KPRF_VALIDATE_MEM(Stack);
293	KPRF_VALIDATE_OFF(pHdr->Hdr32.offCommandLine, offCommandLine);
294	KPRF_VALIDATE_OFF(pHdr->Hdr32.offCommandLine + pHdr->Hdr32.cchCommandLine, cchCommandLine);
295
296	/*
297	* Validate the function lookup table
298	*/
299	for (KU32 i = 0; i < pHdr->Hdr32.cFunctions; i++)
300	if (pHdr->Hdr32.aiFunctions[i] >= pHdr->Hdr32.cFunctions)
301	{
302	fprintf(pOut, "Function lookup entry %#x is invalid: index %#x, max is %#x\n",
303	i, pHdr->Hdr32.aiFunctions[i], pHdr->Hdr32.cFunctions);
304	return false;
305	}
306
307	/*
308	* Validate the functions.
309	*/
310	switch (pHdr->Hdr32.cFormatBits)
311	{
312	case 32:
313	return KPrf32IsValid(&pHdr->Hdr32, cb, pOut);
314
315	case 64:
316	return KPrf64IsValid(&pHdr->Hdr64, cb, pOut);
317	}
318	return false;
319	#undef KPRF_VALIDATE_SIZE
320	#undef KPRF_VALIDATE_MEM
321	#undef KPRF_VALIDATE_OFF
322	}
323
324
325	/**
326	* Dumps a kProfiler 2 format file.
327	*
328	* @returns 0 on success.
329	* @returns -1 on failure.
330	*
331	* @param pszFilename The path to the profiler data set.
332	* @param pOut Where to write the output.
333	*/
334	int KPrfDumpFile(const char pszFilename, FILE pOut)
335	{
336	/*
337	* Load and validate the data set.
338	*/
339	KU32 cb;
340	PKPRFHDR pHdr = kPrfLoad(pszFilename, &cb, pOut);
341	if (!pHdr)
342	return -1;
343	if (!kPrfIsValidate(pHdr, cb, pOut))
344	return -1;
345
346	/*
347	* Switch to the appropirate dumper routine.
348	*/
349	int rc;
350	switch (pHdr->Hdr32.cFormatBits)
351	{
352	case 32:
353	rc = KPrf32Dump(&pHdr->Hdr32, pOut);
354	break;
355
356	case 64:
357	rc = KPrf64Dump(&pHdr->Hdr64, pOut);
358	break;
359
360	default:
361	fprintf(stderr, "Unsupported bit count %d\n", pHdr->Hdr32.cFormatBits);
362	rc = -1;
363	break;
364	}
365
366	return rc;
367	}
368
369
370	/**
371	* Creates a HTML report from a kProfiler 2 format file.
372	*
373	* @returns 0 on success.
374	* @returns -1 on failure.
375	*
376	* @param pszFilename The path to the profiler data set.
377	* @param pOut Where to write the output.
378	*/
379	int KPrfHtmlReport(const char pszFilename, FILE pOut)
380	{
381	/*
382	* Load and validate the data set.
383	*/
384	KU32 cb;
385	PKPRFHDR pHdr = kPrfLoad(pszFilename, &cb, pOut);
386	if (!pHdr)
387	return -1;
388	if (!kPrfIsValidate(pHdr, cb, pOut))
389	return -1;
390
391	/*
392	* Switch to the appropirate dumper routine.
393	*/
394	int rc;
395	switch (pHdr->Hdr32.cFormatBits)
396	{
397	case 32:
398	{
399	PKPRF32REPORT pReport;
400	rc = KPrf32Analyse(&pHdr->Hdr32, &pReport);
401	if (!rc)
402	{
403	rc = KPrf32WriteHtmlReport(pReport, pOut);
404	if (rc)
405	fprintf(stderr, "Error while writing HTML report for '%s'\n", pszFilename);
406	KPrf32DeleteReport(pReport);
407	}
408	else
409	fprintf(stderr, "Analysis of '%s' failed!\n", pszFilename);
410	break;
411	}
412
413	case 64:
414	{
415	PKPRF64REPORT pReport;
416	rc = KPrf64Analyse(&pHdr->Hdr64, &pReport);
417	if (!rc)
418	{
419	rc = KPrf64WriteHtmlReport(pReport, pOut);
420	if (rc)
421	fprintf(stderr, "Error while writing HTML report for '%s'\n", pszFilename);
422	KPrf64DeleteReport(pReport);
423	}
424	else
425	fprintf(stderr, "Analysis of '%s' failed!\n", pszFilename);
426	break;
427	}
428
429	default:
430	fprintf(stderr, "Unsupported bit count %d\n", pHdr->Hdr32.cFormatBits);
431	rc = -1;
432	break;
433	}
434
435	return rc;
436	}
437
438
439
440	/**
441	* Prints the usage.
442	*/
443	static int Usage(void)
444	{
445	printf("kProfiler MK2 - Reader & Producer of Statistics\n"
446	"usage: kPrf2Read [-r\|-d] <file1> [[-r\|-d] file2 []]\n"
447	);
448	return 1;
449	}
450
451
452	int main(int argc, char **argv)
453	{
454	/*
455	* Parse arguments.
456	*/
457	if (argc <= 1)
458	return Usage();
459	enum { OP_DUMP, OP_HTML } enmOp = OP_DUMP;
460	for (int i = 1; i < argc; i++)
461	{
462	if (argv[i][0] == '-')
463	{
464	switch (argv[i][1])
465	{
466	case 'h':
467	case 'H':
468	case '?':
469	case '-':
470	return Usage();
471
472	case 'd':
473	enmOp = OP_DUMP;
474	break;
475
476	case 'r':
477	enmOp = OP_HTML;
478	break;
479
480	default:
481	printf("Syntax error: Unknown argument '%s'\n", argv[i]);
482	return 1;
483	}
484	}
485	else
486	{
487	int rc;
488	switch (enmOp)
489	{
490	case OP_DUMP:
491	rc = KPrfDumpFile(argv[i], stdout);
492	break;
493	case OP_HTML:
494	rc = KPrfHtmlReport(argv[i], stdout);
495	break;
496	}
497	if (rc)
498	return rc;
499	}
500	}
501
502	return 0;
503	}

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source: kStuff/trunk/kProfiler2/kPrf2Read.cpp

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