720a3aeb73
Move them to a session->dead_threads list just like we do with maps that are replaced, because we may have hist_entries pointing to them. This fixes a bug when inserting maps for a new thread that reused the TID, mixing maps for two different threads, causing an endless loop. The code for insering maps should be made more robust but for .35 this is the minimalistic patch. Reported-by: Ingo Molnar <mingo@elte.hu> Cc: David S. Miller <davem@davemloft.net> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
#ifndef __PERF_THREAD_H
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#define __PERF_THREAD_H
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#include <linux/rbtree.h>
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#include <unistd.h>
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#include "symbol.h"
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struct thread {
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union {
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struct rb_node rb_node;
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struct list_head node;
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};
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struct map_groups mg;
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pid_t pid;
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char shortname[3];
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bool comm_set;
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char *comm;
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int comm_len;
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};
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struct perf_session;
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int find_all_tid(int pid, pid_t ** all_tid);
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int thread__set_comm(struct thread *self, const char *comm);
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int thread__comm_len(struct thread *self);
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struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
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void thread__insert_map(struct thread *self, struct map *map);
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int thread__fork(struct thread *self, struct thread *parent);
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size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
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static inline struct map *thread__find_map(struct thread *self,
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enum map_type type, u64 addr)
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{
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return self ? map_groups__find(&self->mg, type, addr) : NULL;
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}
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void thread__find_addr_map(struct thread *self,
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struct perf_session *session, u8 cpumode,
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enum map_type type, pid_t pid, u64 addr,
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struct addr_location *al);
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void thread__find_addr_location(struct thread *self,
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struct perf_session *session, u8 cpumode,
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enum map_type type, pid_t pid, u64 addr,
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struct addr_location *al,
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symbol_filter_t filter);
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#endif /* __PERF_THREAD_H */
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