output.c revision 8d1b92ba755f6d6229f5e230fc43d958b13836f8 
1#if HAVE_CONFIG_H
2#include "config.h"
3#endif
4
5#include <stdio.h>
6#include <stdlib.h>
7#include <stdarg.h>
8#include <string.h>
9#include <time.h>
10#include <sys/time.h>
11#include <unistd.h>
12
13#include "common.h"
14
15/* TODO FIXME XXX: include in common.h: */
16extern struct timeval current_time_spent;
17
18Dict *dict_opt_c = NULL;
19
20static Process *current_proc = 0;
21static int current_depth = 0;
22static int current_column = 0;
23
24static void
25output_indent(Process *proc) {
26	current_column +=
27	    fprintf(options.output, "%*s", options.indent * proc->callstack_depth, "");
28}
29
30static void
31begin_of_line(enum tof type, Process *proc) {
32	current_column = 0;
33	if (!proc) {
34		return;
35	}
36	if ((options.output != stderr) && (opt_p || options.follow)) {
37		current_column += fprintf(options.output, "%u ", proc->pid);
38	} else if (options.follow) {
39		current_column += fprintf(options.output, "[pid %u] ", proc->pid);
40	}
41	if (opt_r) {
42		struct timeval tv;
43		struct timezone tz;
44		static struct timeval old_tv = { 0, 0 };
45		struct timeval diff;
46
47		gettimeofday(&tv, &tz);
48
49		if (old_tv.tv_sec == 0 && old_tv.tv_usec == 0) {
50			old_tv.tv_sec = tv.tv_sec;
51			old_tv.tv_usec = tv.tv_usec;
52		}
53		diff.tv_sec = tv.tv_sec - old_tv.tv_sec;
54		if (tv.tv_usec >= old_tv.tv_usec) {
55			diff.tv_usec = tv.tv_usec - old_tv.tv_usec;
56		} else {
57			diff.tv_sec--;
58			diff.tv_usec = 1000000 + tv.tv_usec - old_tv.tv_usec;
59		}
60		old_tv.tv_sec = tv.tv_sec;
61		old_tv.tv_usec = tv.tv_usec;
62		current_column += fprintf(options.output, "%3lu.%06d ",
63					  diff.tv_sec, (int)diff.tv_usec);
64	}
65	if (opt_t) {
66		struct timeval tv;
67		struct timezone tz;
68
69		gettimeofday(&tv, &tz);
70		if (opt_t > 2) {
71			current_column += fprintf(options.output, "%lu.%06d ",
72						  tv.tv_sec, (int)tv.tv_usec);
73		} else if (opt_t > 1) {
74			struct tm *tmp = localtime(&tv.tv_sec);
75			current_column +=
76			    fprintf(options.output, "%02d:%02d:%02d.%06d ",
77				    tmp->tm_hour, tmp->tm_min, tmp->tm_sec,
78				    (int)tv.tv_usec);
79		} else {
80			struct tm *tmp = localtime(&tv.tv_sec);
81			current_column += fprintf(options.output, "%02d:%02d:%02d ",
82						  tmp->tm_hour, tmp->tm_min,
83						  tmp->tm_sec);
84		}
85	}
86	if (opt_i) {
87		if (type == LT_TOF_FUNCTION || type == LT_TOF_FUNCTIONR) {
88			current_column += fprintf(options.output, "[%p] ",
89						  proc->return_addr);
90		} else {
91			current_column += fprintf(options.output, "[%p] ",
92						  proc->instruction_pointer);
93		}
94	}
95	if (options.indent > 0 && type != LT_TOF_NONE) {
96		output_indent(proc);
97	}
98}
99
100static Function *
101name2func(char *name) {
102	Function *tmp;
103	const char *str1, *str2;
104
105	tmp = list_of_functions;
106	while (tmp) {
107#ifdef USE_DEMANGLE
108		str1 = options.demangle ? my_demangle(tmp->name) : tmp->name;
109		str2 = options.demangle ? my_demangle(name) : name;
110#else
111		str1 = tmp->name;
112		str2 = name;
113#endif
114		if (!strcmp(str1, str2)) {
115
116			return tmp;
117		}
118		tmp = tmp->next;
119	}
120	return NULL;
121}
122
123void
124output_line(Process *proc, char *fmt, ...) {
125	va_list args;
126
127	if (options.summary) {
128		return;
129	}
130	if (current_proc) {
131		if (current_proc->callstack[current_depth].return_addr) {
132			fprintf(options.output, " <unfinished ...>\n");
133		} else {
134			fprintf(options.output, " <no return ...>\n");
135		}
136	}
137	current_proc = 0;
138	if (!fmt) {
139		return;
140	}
141	begin_of_line(LT_TOF_NONE, proc);
142
143	va_start(args, fmt);
144	vfprintf(options.output, fmt, args);
145	fprintf(options.output, "\n");
146	va_end(args);
147	current_column = 0;
148}
149
150static void
151tabto(int col) {
152	if (current_column < col) {
153		fprintf(options.output, "%*s", col - current_column, "");
154	}
155}
156
157void
158output_left(enum tof type, Process *proc, char *function_name) {
159	Function *func;
160	static arg_type_info *arg_unknown = NULL;
161	if (arg_unknown == NULL)
162	    arg_unknown = lookup_prototype(ARGTYPE_UNKNOWN);
163
164	if (options.summary) {
165		return;
166	}
167	if (current_proc) {
168		fprintf(options.output, " <unfinished ...>\n");
169		current_proc = 0;
170		current_column = 0;
171	}
172	current_proc = proc;
173	current_depth = proc->callstack_depth;
174	proc->type_being_displayed = type;
175	begin_of_line(type, proc);
176#ifdef USE_DEMANGLE
177	current_column +=
178	    fprintf(options.output, "%s(",
179		    options.demangle ? my_demangle(function_name) : function_name);
180#else
181	current_column += fprintf(options.output, "%s(", function_name);
182#endif
183
184	func = name2func(function_name);
185	if (!func) {
186		int i;
187		for (i = 0; i < 4; i++) {
188			current_column +=
189			    display_arg(type, proc, i, arg_unknown);
190			current_column += fprintf(options.output, ", ");
191		}
192		current_column += display_arg(type, proc, 4, arg_unknown);
193		return;
194	} else {
195		int i;
196		for (i = 0; i < func->num_params - func->params_right - 1; i++) {
197			current_column +=
198			    display_arg(type, proc, i, func->arg_info[i]);
199			current_column += fprintf(options.output, ", ");
200		}
201		if (func->num_params > func->params_right) {
202			current_column +=
203			    display_arg(type, proc, i, func->arg_info[i]);
204			if (func->params_right) {
205				current_column += fprintf(options.output, ", ");
206			}
207		}
208		if (func->params_right) {
209			save_register_args(type, proc);
210		}
211	}
212}
213
214void
215output_right(enum tof type, Process *proc, char *function_name) {
216	Function *func = name2func(function_name);
217	static arg_type_info *arg_unknown = NULL;
218	if (arg_unknown == NULL)
219	    arg_unknown = lookup_prototype(ARGTYPE_UNKNOWN);
220
221	if (options.summary) {
222		struct opt_c_struct *st;
223		if (!dict_opt_c) {
224			dict_opt_c =
225			    dict_init(dict_key2hash_string,
226				      dict_key_cmp_string);
227		}
228		st = dict_find_entry(dict_opt_c, function_name);
229		if (!st) {
230			char *na;
231			st = malloc(sizeof(struct opt_c_struct));
232			na = strdup(function_name);
233			if (!st || !na) {
234				perror("malloc()");
235				exit(1);
236			}
237			st->count = 0;
238			st->tv.tv_sec = st->tv.tv_usec = 0;
239			dict_enter(dict_opt_c, na, st);
240		}
241		if (st->tv.tv_usec + current_time_spent.tv_usec > 1000000) {
242			st->tv.tv_usec += current_time_spent.tv_usec - 1000000;
243			st->tv.tv_sec++;
244		} else {
245			st->tv.tv_usec += current_time_spent.tv_usec;
246		}
247		st->count++;
248		st->tv.tv_sec += current_time_spent.tv_sec;
249
250//              fprintf(options.output, "%s <%lu.%06d>\n", function_name,
251//                              current_time_spent.tv_sec, (int)current_time_spent.tv_usec);
252		return;
253	}
254	if (current_proc && (current_proc != proc ||
255			    current_depth != proc->callstack_depth)) {
256		fprintf(options.output, " <unfinished ...>\n");
257		current_proc = 0;
258	}
259	if (current_proc != proc) {
260		begin_of_line(type, proc);
261#ifdef USE_DEMANGLE
262		current_column +=
263		    fprintf(options.output, "<... %s resumed> ",
264			    options.demangle ? my_demangle(function_name) : function_name);
265#else
266		current_column +=
267		    fprintf(options.output, "<... %s resumed> ", function_name);
268#endif
269	}
270
271	if (!func) {
272		current_column += fprintf(options.output, ") ");
273		tabto(options.align - 1);
274		fprintf(options.output, "= ");
275		display_arg(type, proc, -1, arg_unknown);
276	} else {
277		int i;
278		for (i = func->num_params - func->params_right;
279		     i < func->num_params - 1; i++) {
280			current_column +=
281			    display_arg(type, proc, i, func->arg_info[i]);
282			current_column += fprintf(options.output, ", ");
283		}
284		if (func->params_right) {
285			current_column +=
286			    display_arg(type, proc, i, func->arg_info[i]);
287		}
288		current_column += fprintf(options.output, ") ");
289		tabto(options.align - 1);
290		fprintf(options.output, "= ");
291		if (func->return_info->type == ARGTYPE_VOID) {
292			fprintf(options.output, "<void>");
293		} else {
294			display_arg(type, proc, -1, func->return_info);
295		}
296	}
297	if (opt_T) {
298		fprintf(options.output, " <%lu.%06d>",
299			current_time_spent.tv_sec,
300			(int)current_time_spent.tv_usec);
301	}
302	fprintf(options.output, "\n");
303	current_proc = 0;
304	current_column = 0;
305}
306