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dump more information when CONFIG_MM_DUMP_DETAILS_ON_FAILURE enabled, flush log before coredump #14094

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merged 3 commits into from
Oct 12, 2024
Merged

dump more information when CONFIG_MM_DUMP_DETAILS_ON_FAILURE enabled, flush log before coredump #14094

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f12fd4b
malloc:if malloc filed need print leak memory detatls
anjiahao1 Mar 5, 2024
6eca5bf
mm: dump more information when failed dump detail
jasonbu Aug 8, 2024
8cc4094
misc: flush syslog before possible long time cost coredump
jasonbu Sep 20, 2024
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13 changes: 13 additions & 0 deletions mm/mm_heap/mm_malloc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -378,6 +378,19 @@ FAR void *mm_malloc(FAR struct mm_heap_s *heap, size_t size)
# endif
# ifdef CONFIG_MM_DUMP_DETAILS_ON_FAILURE
mm_memdump(heap, &dump);
mwarn("Dump leak memory(thread exit, but memory not free):\n");
dump.pid = PID_MM_LEAK;
mm_memdump(heap, &dump);
# ifdef CONFIG_MM_HEAP_MEMPOOL
mwarn("Dump block used by mempool expand/trunk:\n");
dump.pid = PID_MM_MEMPOOL;
mm_memdump(heap, &dump);
# endif
# if CONFIG_MM_BACKTRACE >= 0
mwarn("Dump allocated orphan nodes. (neighbor of free nodes):\n");
dump.pid = PID_MM_ORPHAN;
mm_memdump(heap, &dump);
# endif
# endif
#endif
#ifdef CONFIG_MM_PANIC_ON_FAILURE
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7 changes: 6 additions & 1 deletion sched/misc/assert.c
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Original file line number Diff line number Diff line change
Expand Up @@ -742,7 +742,12 @@ static void dump_fatal_info(FAR struct tcb_s *rtcb,

#if defined(CONFIG_BOARD_COREDUMP_SYSLOG) || \
defined(CONFIG_BOARD_COREDUMP_BLKDEV)
/* Dump core information */

/* Flush previous SYSLOG data before possible long time coredump */

syslog_flush();

/* Dump core information */

# ifdef CONFIG_BOARD_COREDUMP_FULL
coredump_dump(INVALID_PROCESS_ID);
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