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lib/trace: add trace_record tool trace_record is used to poll the spdk trace shm file and store new entries from it to another specified trace file. This could help retain the trace_entires from the overlay of trace circular buffer Note: * trace_record reads the input tracefile into a process-local memory and writes trace entries to the output file only at shutdown. * trace_record can be shut down on SIGINT or SIGTERM signal. A usage sample is: ./spdk_trace_record -s bdev_svc -p <spdk app pid> -f trace.tmp -q Change-Id: If073a05022ec9c1b45923c38ba407a873be8741b Signed-off-by: Liu Xiaodong <xiaodong.liu@intel.com> Reviewed-on: https://review.gerrithub.io/c/433385 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>

2018-11-15 03:01:51 +00:00

spdk_trace_record