1 // SPDX-License-Identifier: GPL-2.0-or-later
28 	int max;  member
106 	u32 pos, off, len, num;  in test_kallsyms_compression_ratio()  local
125 		len = kallsyms_names[off];  in test_kallsyms_compression_ratio()
129 		if ((len & 0x80) != 0) {  in test_kallsyms_compression_ratio()
130 			len = (len & 0x7f) | (kallsyms_names[off] << 7);  in test_kallsyms_compression_ratio()
134 		off += len;  in test_kallsyms_compression_ratio()
142 	total_size = off - num;  in test_kallsyms_compression_ratio()
147 	pr_info(" ---------------------------------------------------------\n");  in test_kallsyms_compression_ratio()
149 	pr_info("|---------------------------------------------------------|\n");  in test_kallsyms_compression_ratio()
151 	pr_info("| %10d |    %10d   |   %10d  |  %2d.%-2d   |\n",  in test_kallsyms_compression_ratio()
153 	pr_info(" ---------------------------------------------------------\n");  in test_kallsyms_compression_ratio()
165 	t = t1 - t0;  in lookup_name()
166 	if (t < stat->min)  in lookup_name()
167 		stat->min = t;  in lookup_name()
169 	if (t > stat->max)  in lookup_name()
170 		stat->max = t;  in lookup_name()
172 	stat->real_cnt++;  in lookup_name()
173 	stat->sum += t;  in lookup_name()
186 	pr_info("The time spent on each symbol is (ns): min=%d, max=%d, avg=%lld\n",  in test_perf_kallsyms_lookup_name()
187 		stat.min, stat.max, div_u64(stat.sum, stat.real_cnt));  in test_perf_kallsyms_lookup_name()
194 	if (!strcmp(name, stat->name)) {  in find_symbol()
195 		stat->real_cnt++;  in find_symbol()
196 		stat->addr = addr;  in find_symbol()
198 		if (stat->save_cnt < MAX_NUM_OF_RECORDS) {  in find_symbol()
199 			stat->addrs[stat->save_cnt] = addr;  in find_symbol()
200 			stat->save_cnt++;  in find_symbol()
203 		if (stat->real_cnt == stat->max)  in find_symbol()
216 	stat.max = INT_MAX;  in test_perf_kallsyms_on_each_symbol()
222 	pr_info("kallsyms_on_each_symbol() traverse all: %lld ns\n", t1 - t0);  in test_perf_kallsyms_on_each_symbol()
229 	stat->real_cnt++;  in match_symbol()
230 	stat->addr = addr;  in match_symbol()
232 	if (stat->save_cnt < MAX_NUM_OF_RECORDS) {  in match_symbol()
233 		stat->addrs[stat->save_cnt] = addr;  in match_symbol()
234 		stat->save_cnt++;  in match_symbol()
237 	if (stat->real_cnt == stat->max)  in match_symbol()
249 	stat.max = INT_MAX;  in test_perf_kallsyms_on_each_match_symbol()
254 	pr_info("kallsyms_on_each_match_symbol() traverse all: %lld ns\n", t1 - t0);  in test_perf_kallsyms_on_each_match_symbol()
269 		return -ENOMEM;  in test_kallsyms_basic_function()
285 		stat->max = INT_MAX;  in test_kallsyms_basic_function()
286 		stat->name = test_items[i].name;  in test_kallsyms_basic_function()
288 		if (stat->addr != test_items[i].addr || stat->real_cnt != 1) {  in test_kallsyms_basic_function()
292 				stat->real_cnt, stat->addr, test_items[i].addr);  in test_kallsyms_basic_function()
299 		stat->max = INT_MAX;  in test_kallsyms_basic_function()
300 		stat->name = test_items[i].name;  in test_kallsyms_basic_function()
302 		if (stat->addr != test_items[i].addr || stat->real_cnt != 1) {  in test_kallsyms_basic_function()
306 				stat->real_cnt, stat->addr, test_items[i].addr);  in test_kallsyms_basic_function()
312 		return -ESRCH;  in test_kallsyms_basic_function()
330 		stat->max = INT_MAX;  in test_kallsyms_basic_function()
339 			stat2->max = INT_MAX;  in test_kallsyms_basic_function()
340 			stat2->name = namebuf;  in test_kallsyms_basic_function()
347 			if (stat->addr != stat2->addr ||  in test_kallsyms_basic_function()
348 			    stat->real_cnt != stat2->real_cnt ||  in test_kallsyms_basic_function()
349 			    memcmp(stat->addrs, stat2->addrs,  in test_kallsyms_basic_function()
350 				   stat->save_cnt * sizeof(stat->addrs[0]))) {  in test_kallsyms_basic_function()
365 		if (!stat->real_cnt) {  in test_kallsyms_basic_function()
378 		if (lookup_addr != stat->addrs[0]) {  in test_kallsyms_basic_function()
379 			pr_info("%s: lookup_addr != stat->addrs[0]\n", namebuf);  in test_kallsyms_basic_function()
387 		if (stat->real_cnt <= MAX_NUM_OF_RECORDS) {  in test_kallsyms_basic_function()
388 			for (j = 0; j < stat->save_cnt; j++) {  in test_kallsyms_basic_function()
389 				if (stat->addrs[j] == addr)  in test_kallsyms_basic_function()
393 			if (j == stat->save_cnt) {  in test_kallsyms_basic_function()
407 	return -ESRCH;  in test_kallsyms_basic_function()