#include <string.h> #include "perf_regs.h" #include "thread.h" #include "map.h" #include "event.h" #include "debug.h" #include "tests/tests.h" #include "arch-tests.h" #define STACK_SIZE 8192 static int sample_ustack(struct perf_sample *sample, struct thread *thread, u64 *regs) { struct stack_dump *stack = &sample->user_stack; struct map *map; unsigned long sp; u64 stack_size, *buf; buf = malloc(STACK_SIZE); if (!buf) { pr_debug("failed to allocate sample uregs data\n"); return -1; } sp = (unsigned long) regs[PERF_REG_X86_SP]; map = map_groups__find(thread->mg, MAP__VARIABLE, (u64) sp); if (!map) { pr_debug("failed to get stack map\n"); free(buf); return -1; } stack_size = map->end - sp; stack_size = stack_size > STACK_SIZE ? STACK_SIZE : stack_size; memcpy(buf, (void *) sp, stack_size); stack->data = (char *) buf; stack->size = stack_size; return 0; } int test__arch_unwind_sample(struct perf_sample *sample, struct thread *thread) { struct regs_dump *regs = &sample->user_regs; u64 *buf; buf = malloc(sizeof(u64) * PERF_REGS_MAX); if (!buf) { pr_debug("failed to allocate sample uregs data\n"); return -1; } perf_regs_load(buf); regs->abi = PERF_SAMPLE_REGS_ABI; regs->regs = buf; regs->mask = PERF_REGS_MASK; return sample_ustack(sample, thread, buf); } ect> <input type='submit' value='switch'/></form></td></tr> <tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table> <table class='tabs'><tr><td> <a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&id=0de9b5db9fbf70e8d9a98eae8cbdf33f7c04252c'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/Makefile?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/tools/testing/selftests/Makefile?h=nds-private-remove&id=0de9b5db9fbf70e8d9a98eae8cbdf33f7c04252c'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/Makefile?h=nds-private-remove&id=0de9b5db9fbf70e8d9a98eae8cbdf33f7c04252c'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/tools/testing/selftests/Makefile?h=nds-private-remove&id=0de9b5db9fbf70e8d9a98eae8cbdf33f7c04252c'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/Makefile'> <input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='0de9b5db9fbf70e8d9a98eae8cbdf33f7c04252c'/><select name='qt'> <option value='grep'>log msg</option> <option value='author'>author</option> <option value='committer'>committer</option> <option value='range'>range</option> </select> <input class='txt' type='search' size='10' name='q' value=''/> <input type='submit' value='search'/> </form> </td></tr></table> <div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&id=0de9b5db9fbf70e8d9a98eae8cbdf33f7c04252c'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools?h=nds-private-remove&id=0de9b5db9fbf70e8d9a98eae8cbdf33f7c04252c'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing?h=nds-private-remove&id=0de9b5db9fbf70e8d9a98eae8cbdf33f7c04252c'>testing</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests?h=nds-private-remove&id=0de9b5db9fbf70e8d9a98eae8cbdf33f7c04252c'>selftests</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/Makefile?h=nds-private-remove&id=0de9b5db9fbf70e8d9a98eae8cbdf33f7c04252c'>Makefile</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/Makefile?h=nds-private-remove&id=0de9b5db9fbf70e8d9a98eae8cbdf33f7c04252c&showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>