crash-ptdump-command/SOURCES/ring_buffer_scope.patch
2021-09-09 15:42:59 +00:00

18 lines
472 B
Diff

--- ptdump-1.0.3/ptdump.c.orig
+++ ptdump-1.0.3/ptdump.c
@@ -502,6 +502,14 @@ cmd_ptdump(void)
return;
}
+ /*
+ * Set the gdb scope to ensure that the appropriate ring_buffer
+ * structure is selected.
+ */
+ if (kernel_symbol_exists("perf_mmap_to_page"))
+ gdb_set_crash_scope(symbol_value("perf_mmap_to_page"),
+ "perf_mmap_to_page");
+
online_cpus = get_cpus_online();
list_len = sizeof(struct pt_info)*kt->cpus;
pt_info_list = malloc(list_len);