diff --git a/tools/perf/arch/s390/util/Build b/tools/perf/arch/s390/util/Build index 8a61372bb47a..5bd7b9260cc0 100644 --- a/tools/perf/arch/s390/util/Build +++ b/tools/perf/arch/s390/util/Build @@ -2,3 +2,5 @@ libperf-y += header.o libperf-y += kvm-stat.o libperf-$(CONFIG_DWARF) += dwarf-regs.o + +libperf-y += machine.o diff --git a/tools/perf/arch/s390/util/machine.c b/tools/perf/arch/s390/util/machine.c new file mode 100644 index 000000000000..b9a95a1a8e69 --- /dev/null +++ b/tools/perf/arch/s390/util/machine.c @@ -0,0 +1,19 @@ +#include +#include +#include +#include "util.h" +#include "machine.h" +#include "api/fs/fs.h" + +int arch__fix_module_text_start(u64 *start, const char *name) +{ + char path[PATH_MAX]; + + snprintf(path, PATH_MAX, "module/%.*s/sections/.text", + (int)strlen(name) - 2, name + 1); + + if (sysfs__read_ull(path, (unsigned long long *)start) < 0) + return -1; + + return 0; +} diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index bc2cdbd09a25..cb6388dbdd98 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -1093,12 +1093,20 @@ static int machine__set_modules_path(struct machine *machine) return map_groups__set_modules_path_dir(&machine->kmaps, modules_path, 0); } +int __weak arch__fix_module_text_start(u64 *start __maybe_unused, + const char *name __maybe_unused) +{ + return 0; +} static int machine__create_module(void *arg, const char *name, u64 start) { struct machine *machine = arg; struct map *map; + if (arch__fix_module_text_start(&start, name) < 0) + return -1; + map = machine__findnew_module_map(machine, start, name); if (map == NULL) return -1; diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h index 41ac9cfd416b..20739f746bc4 100644 --- a/tools/perf/util/machine.h +++ b/tools/perf/util/machine.h @@ -216,6 +216,7 @@ struct symbol *machine__find_kernel_function_by_name(struct machine *machine, struct map *machine__findnew_module_map(struct machine *machine, u64 start, const char *filename); +int arch__fix_module_text_start(u64 *start, const char *name); int __machine__load_kallsyms(struct machine *machine, const char *filename, enum map_type type, bool no_kcore, symbol_filter_t filter);