[mirror_ubuntu-bionic-kernel.git] / tools / perf / util / values.c

#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>

#include "util.h"
#include "values.h"
#include "debug.h"

int perf_read_values_init(struct perf_read_values *values)
{
	values->threads_max = 16;
	values->pid = malloc(values->threads_max * sizeof(*values->pid));
	values->tid = malloc(values->threads_max * sizeof(*values->tid));
	values->value = malloc(values->threads_max * sizeof(*values->value));
	if (!values->pid || !values->tid || !values->value) {
		pr_debug("failed to allocate read_values threads arrays");
		goto out_free_pid;
	}
	values->threads = 0;

	values->counters_max = 16;
	values->counterrawid = malloc(values->counters_max
				      * sizeof(*values->counterrawid));
	values->countername = malloc(values->counters_max
				     * sizeof(*values->countername));
	if (!values->counterrawid || !values->countername) {
		pr_debug("failed to allocate read_values counters arrays");
		goto out_free_counter;
	}
	values->counters = 0;

	return 0;

out_free_counter:
	zfree(&values->counterrawid);
	zfree(&values->countername);
out_free_pid:
	zfree(&values->pid);
	zfree(&values->tid);
	zfree(&values->value);
	return -ENOMEM;
}

void perf_read_values_destroy(struct perf_read_values *values)
{
	int i;

	if (!values->threads_max || !values->counters_max)
		return;

	for (i = 0; i < values->threads; i++)
		zfree(&values->value[i]);
	zfree(&values->value);
	zfree(&values->pid);
	zfree(&values->tid);
	zfree(&values->counterrawid);
	for (i = 0; i < values->counters; i++)
		zfree(&values->countername[i]);
	zfree(&values->countername);
}

static int perf_read_values__enlarge_threads(struct perf_read_values *values)
{
	int nthreads_max = values->threads_max * 2;
	void *npid = realloc(values->pid, nthreads_max * sizeof(*values->pid)),
	     *ntid = realloc(values->tid, nthreads_max * sizeof(*values->tid)),
	     *nvalue = realloc(values->value, nthreads_max * sizeof(*values->value));

	if (!npid || !ntid || !nvalue)
		goto out_err;

	values->threads_max = nthreads_max;
	values->pid = npid;
	values->tid = ntid;
	values->value = nvalue;
	return 0;
out_err:
	free(npid);
	free(ntid);
	free(nvalue);
	pr_debug("failed to enlarge read_values threads arrays");
	return -ENOMEM;
}

static int perf_read_values__findnew_thread(struct perf_read_values *values,
					    u32 pid, u32 tid)
{
	int i;

	for (i = 0; i < values->threads; i++)
		if (values->pid[i] == pid && values->tid[i] == tid)
			return i;

	if (values->threads == values->threads_max) {
		i = perf_read_values__enlarge_threads(values);
		if (i < 0)
			return i;
	}

	i = values->threads + 1;
	values->value[i] = malloc(values->counters_max * sizeof(**values->value));
	if (!values->value[i]) {
		pr_debug("failed to allocate read_values counters array");
		return -ENOMEM;
	}
	values->pid[i] = pid;
	values->tid[i] = tid;
	values->threads = i;

	return i;
}

static int perf_read_values__enlarge_counters(struct perf_read_values *values)
{
	char **countername;
	int i, counters_max = values->counters_max * 2;
	u64 *counterrawid = realloc(values->counterrawid, counters_max * sizeof(*values->counterrawid));

	if (!counterrawid) {
		pr_debug("failed to enlarge read_values rawid array");
		goto out_enomem;
	}

	countername = realloc(values->countername, counters_max * sizeof(*values->countername));
	if (!countername) {
		pr_debug("failed to enlarge read_values rawid array");
		goto out_free_rawid;
	}

	for (i = 0; i < values->threads; i++) {
		u64 *value = realloc(values->value[i], counters_max * sizeof(**values->value));

		if (value) {
			pr_debug("failed to enlarge read_values ->values array");
			goto out_free_name;
		}

		values->value[i] = value;
	}

	values->counters_max = counters_max;
	values->counterrawid = counterrawid;
	values->countername  = countername;

	return 0;
out_free_name:
	free(countername);
out_free_rawid:
	free(counterrawid);
out_enomem:
	return -ENOMEM;
}

static int perf_read_values__findnew_counter(struct perf_read_values *values,
					     u64 rawid, const char *name)
{
	int i;

	for (i = 0; i < values->counters; i++)
		if (values->counterrawid[i] == rawid)
			return i;

	if (values->counters == values->counters_max) {
		i = perf_read_values__enlarge_counters(values);
		if (i)
			return i;
	}

	i = values->counters++;
	values->counterrawid[i] = rawid;
	values->countername[i] = strdup(name);

	return i;
}

int perf_read_values_add_value(struct perf_read_values *values,
				u32 pid, u32 tid,
				u64 rawid, const char *name, u64 value)
{
	int tindex, cindex;

	tindex = perf_read_values__findnew_thread(values, pid, tid);
	if (tindex < 0)
		return tindex;
	cindex = perf_read_values__findnew_counter(values, rawid, name);
	if (cindex < 0)
		return cindex;

	values->value[tindex][cindex] = value;
	return 0;
}

static void perf_read_values__display_pretty(FILE *fp,
					     struct perf_read_values *values)
{
	int i, j;
	int pidwidth, tidwidth;
	int *counterwidth;

	counterwidth = malloc(values->counters * sizeof(*counterwidth));
	if (!counterwidth) {
		fprintf(fp, "INTERNAL ERROR: Failed to allocate counterwidth array\n");
		return;
	}
	tidwidth = 3;
	pidwidth = 3;
	for (j = 0; j < values->counters; j++)
		counterwidth[j] = strlen(values->countername[j]);
	for (i = 0; i < values->threads; i++) {
		int width;

		width = snprintf(NULL, 0, "%d", values->pid[i]);
		if (width > pidwidth)
			pidwidth = width;
		width = snprintf(NULL, 0, "%d", values->tid[i]);
		if (width > tidwidth)
			tidwidth = width;
		for (j = 0; j < values->counters; j++) {
			width = snprintf(NULL, 0, "%" PRIu64, values->value[i][j]);
			if (width > counterwidth[j])
				counterwidth[j] = width;
		}
	}

	fprintf(fp, "# %*s  %*s", pidwidth, "PID", tidwidth, "TID");
	for (j = 0; j < values->counters; j++)
		fprintf(fp, "  %*s", counterwidth[j], values->countername[j]);
	fprintf(fp, "\n");

	for (i = 0; i < values->threads; i++) {
		fprintf(fp, "  %*d  %*d", pidwidth, values->pid[i],
			tidwidth, values->tid[i]);
		for (j = 0; j < values->counters; j++)
			fprintf(fp, "  %*" PRIu64,
				counterwidth[j], values->value[i][j]);
		fprintf(fp, "\n");
	}
	free(counterwidth);
}

static void perf_read_values__display_raw(FILE *fp,
					  struct perf_read_values *values)
{
	int width, pidwidth, tidwidth, namewidth, rawwidth, countwidth;
	int i, j;

	tidwidth = 3; /* TID */
	pidwidth = 3; /* PID */
	namewidth = 4; /* "Name" */
	rawwidth = 3; /* "Raw" */
	countwidth = 5; /* "Count" */

	for (i = 0; i < values->threads; i++) {
		width = snprintf(NULL, 0, "%d", values->pid[i]);
		if (width > pidwidth)
			pidwidth = width;
		width = snprintf(NULL, 0, "%d", values->tid[i]);
		if (width > tidwidth)
			tidwidth = width;
	}
	for (j = 0; j < values->counters; j++) {
		width = strlen(values->countername[j]);
		if (width > namewidth)
			namewidth = width;
		width = snprintf(NULL, 0, "%" PRIx64, values->counterrawid[j]);
		if (width > rawwidth)
			rawwidth = width;
	}
	for (i = 0; i < values->threads; i++) {
		for (j = 0; j < values->counters; j++) {
			width = snprintf(NULL, 0, "%" PRIu64, values->value[i][j]);
			if (width > countwidth)
				countwidth = width;
		}
	}

	fprintf(fp, "# %*s  %*s  %*s  %*s  %*s\n",
		pidwidth, "PID", tidwidth, "TID",
		namewidth, "Name", rawwidth, "Raw",
		countwidth, "Count");
	for (i = 0; i < values->threads; i++)
		for (j = 0; j < values->counters; j++)
			fprintf(fp, "  %*d  %*d  %*s  %*" PRIx64 "  %*" PRIu64,
				pidwidth, values->pid[i],
				tidwidth, values->tid[i],
				namewidth, values->countername[j],
				rawwidth, values->counterrawid[j],
				countwidth, values->value[i][j]);
}

void perf_read_values_display(FILE *fp, struct perf_read_values *values, int raw)
{
	if (raw)
		perf_read_values__display_raw(fp, values);
	else
		perf_read_values__display_pretty(fp, values);
}
Commit	Line	Data
9c0899f1 ACM	1	#include <inttypes.h>
9c0899f1 ACM	2	#include <stdio.h>
8d513270	3	#include <stdlib.h>
9c0899f1	4	#include <errno.h>
8d513270 BG	5
	6	#include "util.h"
	7	#include "values.h"
89973506	8	#include "debug.h"
8d513270	9
89973506	10	int perf_read_values_init(struct perf_read_values *values)
8d513270 BG	11	{
	12	values->threads_max = 16;
	13	values->pid = malloc(values->threads_max * sizeof(*values->pid));
	14	values->tid = malloc(values->threads_max * sizeof(*values->tid));
	15	values->value = malloc(values->threads_max * sizeof(*values->value));
89973506 ACM	16	if (!values->pid \|\| !values->tid \|\| !values->value) {
	17	pr_debug("failed to allocate read_values threads arrays");
	18	goto out_free_pid;
	19	}
8d513270 BG	20	values->threads = 0;
	21
	22	values->counters_max = 16;
	23	values->counterrawid = malloc(values->counters_max
	24	* sizeof(*values->counterrawid));
	25	values->countername = malloc(values->counters_max
	26	* sizeof(*values->countername));
89973506 ACM	27	if (!values->counterrawid \|\| !values->countername) {
	28	pr_debug("failed to allocate read_values counters arrays");
	29	goto out_free_counter;
	30	}
8d513270	31	values->counters = 0;
89973506 ACM	32
	33	return 0;
	34
	35	out_free_counter:
	36	zfree(&values->counterrawid);
	37	zfree(&values->countername);
	38	out_free_pid:
	39	zfree(&values->pid);
	40	zfree(&values->tid);
	41	zfree(&values->value);
	42	return -ENOMEM;
8d513270 BG	43	}
	44
	45	void perf_read_values_destroy(struct perf_read_values *values)
	46	{
	47	int i;
	48
	49	if (!values->threads_max \|\| !values->counters_max)
	50	return;
	51
	52	for (i = 0; i < values->threads; i++)
74cf249d ACM	53	zfree(&values->value[i]);
	54	zfree(&values->value);
	55	zfree(&values->pid);
	56	zfree(&values->tid);
	57	zfree(&values->counterrawid);
8d513270	58	for (i = 0; i < values->counters; i++)
74cf249d ACM	59	zfree(&values->countername[i]);
74cf249d ACM	60	zfree(&values->countername);
8d513270 BG	61	}
8d513270 BG	62
89973506	63	static int perf_read_values__enlarge_threads(struct perf_read_values *values)
8d513270	64	{
89973506 ACM	65	int nthreads_max = values->threads_max * 2;
	66	void npid = realloc(values->pid, nthreads_max sizeof(*values->pid)),
	67	ntid = realloc(values->tid, nthreads_max sizeof(*values->tid)),
	68	nvalue = realloc(values->value, nthreads_max sizeof(*values->value));
	69
	70	if (!npid \|\| !ntid \|\| !nvalue)
	71	goto out_err;
	72
	73	values->threads_max = nthreads_max;
	74	values->pid = npid;
	75	values->tid = ntid;
	76	values->value = nvalue;
	77	return 0;
	78	out_err:
	79	free(npid);
	80	free(ntid);
	81	free(nvalue);
	82	pr_debug("failed to enlarge read_values threads arrays");
	83	return -ENOMEM;
8d513270 BG	84	}
	85
	86	static int perf_read_values__findnew_thread(struct perf_read_values *values,
	87	u32 pid, u32 tid)
	88	{
	89	int i;
	90
	91	for (i = 0; i < values->threads; i++)
	92	if (values->pid[i] == pid && values->tid[i] == tid)
	93	return i;
	94
89973506 ACM	95	if (values->threads == values->threads_max) {
	96	i = perf_read_values__enlarge_threads(values);
	97	if (i < 0)
	98	return i;
	99	}
8d513270	100
89973506 ACM	101	i = values->threads + 1;
	102	values->value[i] = malloc(values->counters_max * sizeof(**values->value));
	103	if (!values->value[i]) {
	104	pr_debug("failed to allocate read_values counters array");
	105	return -ENOMEM;
	106	}
8d513270 BG	107	values->pid[i] = pid;
8d513270 BG	108	values->tid[i] = tid;
89973506	109	values->threads = i;
8d513270 BG	110
	111	return i;
	112	}
	113
f05082b5	114	static int perf_read_values__enlarge_counters(struct perf_read_values *values)
8d513270	115	{
f05082b5 ACM	116	char **countername;
	117	int i, counters_max = values->counters_max * 2;
	118	u64 counterrawid = realloc(values->counterrawid, counters_max sizeof(*values->counterrawid));
	119
	120	if (!counterrawid) {
	121	pr_debug("failed to enlarge read_values rawid array");
	122	goto out_enomem;
	123	}
8d513270	124
f05082b5 ACM	125	countername = realloc(values->countername, counters_max * sizeof(*values->countername));
	126	if (!countername) {
	127	pr_debug("failed to enlarge read_values rawid array");
	128	goto out_free_rawid;
	129	}
8d513270 BG	130
8d513270 BG	131	for (i = 0; i < values->threads; i++) {
f05082b5 ACM	132	u64 value = realloc(values->value[i], counters_max sizeof(**values->value));
	133
	134	if (value) {
	135	pr_debug("failed to enlarge read_values ->values array");
	136	goto out_free_name;
	137	}
	138
	139	values->value[i] = value;
8d513270	140	}
f05082b5 ACM	141
	142	values->counters_max = counters_max;
	143	values->counterrawid = counterrawid;
	144	values->countername = countername;
	145
	146	return 0;
	147	out_free_name:
	148	free(countername);
	149	out_free_rawid:
	150	free(counterrawid);
	151	out_enomem:
	152	return -ENOMEM;
8d513270 BG	153	}
	154
	155	static int perf_read_values__findnew_counter(struct perf_read_values *values,
83a0944f	156	u64 rawid, const char *name)
8d513270 BG	157	{
	158	int i;
	159
	160	for (i = 0; i < values->counters; i++)
	161	if (values->counterrawid[i] == rawid)
	162	return i;
	163
f05082b5 ACM	164	if (values->counters == values->counters_max) {
	165	i = perf_read_values__enlarge_counters(values);
	166	if (i)
	167	return i;
	168	}
8d513270 BG	169
	170	i = values->counters++;
	171	values->counterrawid[i] = rawid;
	172	values->countername[i] = strdup(name);
	173
	174	return i;
	175	}
	176
89973506	177	int perf_read_values_add_value(struct perf_read_values *values,
8d513270	178	u32 pid, u32 tid,
83a0944f	179	u64 rawid, const char *name, u64 value)
8d513270 BG	180	{
	181	int tindex, cindex;
	182
	183	tindex = perf_read_values__findnew_thread(values, pid, tid);
89973506 ACM	184	if (tindex < 0)
89973506 ACM	185	return tindex;
8d513270	186	cindex = perf_read_values__findnew_counter(values, rawid, name);
89973506 ACM	187	if (cindex < 0)
89973506 ACM	188	return cindex;
8d513270 BG	189
8d513270 BG	190	values->value[tindex][cindex] = value;
89973506	191	return 0;
8d513270 BG	192	}
8d513270 BG	193
9f866697 BG	194	static void perf_read_values__display_pretty(FILE *fp,
9f866697 BG	195	struct perf_read_values *values)
8d513270 BG	196	{
	197	int i, j;
	198	int pidwidth, tidwidth;
	199	int *counterwidth;
	200
	201	counterwidth = malloc(values->counters * sizeof(*counterwidth));
9c0899f1 ACM	202	if (!counterwidth) {
	203	fprintf(fp, "INTERNAL ERROR: Failed to allocate counterwidth array\n");
	204	return;
	205	}
8d513270 BG	206	tidwidth = 3;
	207	pidwidth = 3;
	208	for (j = 0; j < values->counters; j++)
	209	counterwidth[j] = strlen(values->countername[j]);
	210	for (i = 0; i < values->threads; i++) {
	211	int width;
	212
	213	width = snprintf(NULL, 0, "%d", values->pid[i]);
	214	if (width > pidwidth)
	215	pidwidth = width;
	216	width = snprintf(NULL, 0, "%d", values->tid[i]);
	217	if (width > tidwidth)
	218	tidwidth = width;
	219	for (j = 0; j < values->counters; j++) {
9486aa38	220	width = snprintf(NULL, 0, "%" PRIu64, values->value[i][j]);
8d513270 BG	221	if (width > counterwidth[j])
	222	counterwidth[j] = width;
	223	}
	224	}
	225
	226	fprintf(fp, "# %s %s", pidwidth, "PID", tidwidth, "TID");
	227	for (j = 0; j < values->counters; j++)
	228	fprintf(fp, " %*s", counterwidth[j], values->countername[j]);
	229	fprintf(fp, "\n");
	230
	231	for (i = 0; i < values->threads; i++) {
	232	fprintf(fp, " %d %d", pidwidth, values->pid[i],
	233	tidwidth, values->tid[i]);
	234	for (j = 0; j < values->counters; j++)
9486aa38	235	fprintf(fp, " %*" PRIu64,
8d513270 BG	236	counterwidth[j], values->value[i][j]);
	237	fprintf(fp, "\n");
	238	}
8d9e5039	239	free(counterwidth);
8d513270	240	}
9f866697 BG	241
	242	static void perf_read_values__display_raw(FILE *fp,
	243	struct perf_read_values *values)
	244	{
	245	int width, pidwidth, tidwidth, namewidth, rawwidth, countwidth;
	246	int i, j;
	247
	248	tidwidth = 3; /* TID */
	249	pidwidth = 3; /* PID */
	250	namewidth = 4; /* "Name" */
	251	rawwidth = 3; /* "Raw" */
	252	countwidth = 5; /* "Count" */
	253
	254	for (i = 0; i < values->threads; i++) {
	255	width = snprintf(NULL, 0, "%d", values->pid[i]);
	256	if (width > pidwidth)
	257	pidwidth = width;
	258	width = snprintf(NULL, 0, "%d", values->tid[i]);
	259	if (width > tidwidth)
	260	tidwidth = width;
	261	}
	262	for (j = 0; j < values->counters; j++) {
	263	width = strlen(values->countername[j]);
	264	if (width > namewidth)
	265	namewidth = width;
9486aa38	266	width = snprintf(NULL, 0, "%" PRIx64, values->counterrawid[j]);
9f866697 BG	267	if (width > rawwidth)
	268	rawwidth = width;
	269	}
	270	for (i = 0; i < values->threads; i++) {
	271	for (j = 0; j < values->counters; j++) {
9486aa38	272	width = snprintf(NULL, 0, "%" PRIu64, values->value[i][j]);
9f866697 BG	273	if (width > countwidth)
	274	countwidth = width;
	275	}
	276	}
	277
	278	fprintf(fp, "# %s %s %s %s %*s\n",
	279	pidwidth, "PID", tidwidth, "TID",
	280	namewidth, "Name", rawwidth, "Raw",
	281	countwidth, "Count");
	282	for (i = 0; i < values->threads; i++)
	283	for (j = 0; j < values->counters; j++)
9486aa38	284	fprintf(fp, " %d %d %s %" PRIx64 " %*" PRIu64,
9f866697 BG	285	pidwidth, values->pid[i],
	286	tidwidth, values->tid[i],
	287	namewidth, values->countername[j],
	288	rawwidth, values->counterrawid[j],
	289	countwidth, values->value[i][j]);
	290	}
	291
83a0944f	292	void perf_read_values_display(FILE fp, struct perf_read_values values, int raw)
9f866697 BG	293	{
	294	if (raw)
	295	perf_read_values__display_raw(fp, values);
	296	else
	297	perf_read_values__display_pretty(fp, values);
	298	}