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-rw-r--r--tools/perf/util/thread.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 3d9ed7d0e281..50678d318185 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -12,6 +12,8 @@
#include "debug.h"
#include "namespaces.h"
#include "comm.h"
+#include "map.h"
+#include "symbol.h"
#include "unwind.h"
#include <api/fs/fs.h>
@@ -64,6 +66,7 @@ struct thread *thread__new(pid_t pid, pid_t tid)
RB_CLEAR_NODE(&thread->rb_node);
/* Thread holds first ref to nsdata. */
thread->nsinfo = nsinfo__new(pid);
+ srccode_state_init(&thread->srccode_state);
}
return thread;
@@ -103,6 +106,7 @@ void thread__delete(struct thread *thread)
unwind__finish_access(thread);
nsinfo__zput(thread->nsinfo);
+ srccode_state_free(&thread->srccode_state);
exit_rwsem(&thread->namespaces_lock);
exit_rwsem(&thread->comm_lock);
@@ -390,3 +394,25 @@ struct thread *thread__main_thread(struct machine *machine, struct thread *threa
return machine__find_thread(machine, thread->pid_, thread->pid_);
}
+
+int thread__memcpy(struct thread *thread, struct machine *machine,
+ void *buf, u64 ip, int len, bool *is64bit)
+{
+ u8 cpumode = PERF_RECORD_MISC_USER;
+ struct addr_location al;
+ long offset;
+
+ if (machine__kernel_ip(machine, ip))
+ cpumode = PERF_RECORD_MISC_KERNEL;
+
+ if (!thread__find_map(thread, cpumode, ip, &al) || !al.map->dso ||
+ al.map->dso->data.status == DSO_DATA_STATUS_ERROR ||
+ map__load(al.map) < 0)
+ return -1;
+
+ offset = al.map->map_ip(al.map, ip);
+ if (is64bit)
+ *is64bit = al.map->dso->is_64_bit;
+
+ return dso__data_read_offset(al.map->dso, machine, offset, buf, len);
+}
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