| bp_account.c (8dd06ef34b6e2f41b29fbf5fc1663780f2524285) | bp_account.c (d68f0365087395fe232e39ac9c8ee53627522c3c) |
|---|---|
| 1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Powerpc needs __SANE_USERSPACE_TYPES__ before <linux/types.h> to select 4 * 'int-ll64.h' and avoid compile warnings when printing __u64 with %llu. 5 */ 6#define __SANE_USERSPACE_TYPES__ 7 8#include <stdlib.h> --- 159 unchanged lines hidden (view full) --- 168 * - detects if watchpoints and breakpoints share 169 * same slots 170 * - create all possible watchpoints on cpu 0 171 * - change one of it to breakpoint 172 * - in case wp and bp do not share slots, 173 * we create another watchpoint to ensure 174 * the slot accounting is correct 175 */ | 1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Powerpc needs __SANE_USERSPACE_TYPES__ before <linux/types.h> to select 4 * 'int-ll64.h' and avoid compile warnings when printing __u64 with %llu. 5 */ 6#define __SANE_USERSPACE_TYPES__ 7 8#include <stdlib.h> --- 159 unchanged lines hidden (view full) --- 168 * - detects if watchpoints and breakpoints share 169 * same slots 170 * - create all possible watchpoints on cpu 0 171 * - change one of it to breakpoint 172 * - in case wp and bp do not share slots, 173 * we create another watchpoint to ensure 174 * the slot accounting is correct 175 */ |
| 176int test__bp_accounting(struct test *test __maybe_unused, int subtest __maybe_unused) | 176static int test__bp_accounting(struct test *test __maybe_unused, int subtest __maybe_unused) |
| 177{ 178 int has_ioctl = detect_ioctl(); 179 int wp_cnt = detect_cnt(false); 180 int bp_cnt = detect_cnt(true); 181 int share = detect_share(wp_cnt, bp_cnt); 182 183 pr_debug("watchpoints count %d, breakpoints count %d, has_ioctl %d, share %d\n", 184 wp_cnt, bp_cnt, has_ioctl, share); 185 186 if (!wp_cnt || !bp_cnt || !has_ioctl) 187 return TEST_SKIP; 188 189 return bp_accounting(wp_cnt, share); 190} 191 | 177{ 178 int has_ioctl = detect_ioctl(); 179 int wp_cnt = detect_cnt(false); 180 int bp_cnt = detect_cnt(true); 181 int share = detect_share(wp_cnt, bp_cnt); 182 183 pr_debug("watchpoints count %d, breakpoints count %d, has_ioctl %d, share %d\n", 184 wp_cnt, bp_cnt, has_ioctl, share); 185 186 if (!wp_cnt || !bp_cnt || !has_ioctl) 187 return TEST_SKIP; 188 189 return bp_accounting(wp_cnt, share); 190} 191 |
| 192bool test__bp_account_is_supported(void) | 192static bool test__bp_account_is_supported(void) |
| 193{ 194 /* 195 * PowerPC and S390 do not support creation of instruction 196 * breakpoints using the perf_event interface. 197 * 198 * Just disable the test for these architectures until these 199 * issues are resolved. 200 */ 201#if defined(__powerpc__) || defined(__s390x__) 202 return false; 203#else 204 return true; 205#endif 206} | 193{ 194 /* 195 * PowerPC and S390 do not support creation of instruction 196 * breakpoints using the perf_event interface. 197 * 198 * Just disable the test for these architectures until these 199 * issues are resolved. 200 */ 201#if defined(__powerpc__) || defined(__s390x__) 202 return false; 203#else 204 return true; 205#endif 206} |
| 207 208struct test suite__bp_accounting = { 209 .desc = "Breakpoint accounting", 210 .func = test__bp_accounting, 211 .is_supported = test__bp_account_is_supported, 212}; |
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