#include #include #include #include #ifndef MLOCK_ONFAULT #define MLOCK_ONFAULT 1 #endif #ifndef MCL_ONFAULT #define MCL_ONFAULT (MCL_FUTURE << 1) #endif static int mlock2_(void *start, size_t len, int flags) { #ifdef __NR_mlock2 return syscall(__NR_mlock2, start, len, flags); #else errno = ENOSYS; return -1; #endif } static FILE *seek_to_smaps_entry(unsigned long addr) { FILE *file; char *line = NULL; size_t size = 0; unsigned long start, end; char perms[5]; unsigned long offset; char dev[32]; unsigned long inode; char path[BUFSIZ]; file = fopen("/proc/self/smaps", "r"); if (!file) { perror("fopen smaps"); _exit(1); } while (getline(&line, &size, file) > 0) { if (sscanf(line, "%lx-%lx %s %lx %s %lu %s\n", &start, &end, perms, &offset, dev, &inode, path) < 6) goto next; if (start <= addr && addr < end) goto out; next: free(line); line = NULL; size = 0; } fclose(file); file = NULL; out: free(line); return file; } ue='emaclite-cleanup'>emaclite-cleanup net-next plumbingsTobias Klauser

path: root/tools/perf/Documentation/perf-probe.txt

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