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tools: acrn-crashlog: Limit the log size of kmsg

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Dmesg collects too much log when kernel meets log storm.
This patch reads kernel log from "/dev/kmsg" intead of dmesg and limits
the generated log size.

Tracked-On: #1024
Signed-off-by: Liu, Xinwu <xinwu.liu@intel.com>
Reviewed-by: Zhi Jin <zhi.jin@intel.com>
Acked-by: Chen, Gang <gang.c.chen@intel.com>
This commit is contained in:
Liu, Xinwu
2019-01-08 16:22:17 +08:00
committed by acrnsi
parent 156ea70821
commit d5b578fd84
6 changed files with 58 additions and 27 deletions
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2
tools/acrn-crashlog/common/include/fsutils.h
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@@ -92,7 +92,7 @@ void file_reset_init(const char *filename);
int file_read_int(const char *filename, unsigned int *pcurrent);
int file_update_int(const char *filename, unsigned int current,
unsigned int max);
int do_copy_eof(const char *src, const char *des);
int do_copy_limit(const char *src, const char *des, size_t limitsize);
int space_available(const char *path, int quota);
int count_lines_in_file(const char *filename);
int read_full_binary_file(const char *path, unsigned long *size,