Commit a8f7d7cf authored by Krzysztof Karas's avatar Krzysztof Karas Committed by Tomasz Zawadzki
Browse files

trace: update description of tracepoint number 



Make it clear that number of entries might not be equal
to the number of recorded traces, as some of the latter
might occupy two entries due to their length.

Change-Id: I3099cfb719c38bdee48fbe20fccef3ef43e820a3
Signed-off-by: default avatarKrzysztof Karas <krzysztof.karas@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16916


Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <smatsumoto@nvidia.com>
parent 7413e1e4

lib/event/app.c

+1 −0
Original line number Diff line number Diff line
@@ -890,6 +890,7 @@ usage(void (*app_usage)(void)) 
	printf("     --base-virtaddr <addr>      the base virtual address for DPDK (default: 0x200000000000)\n");

	printf("     --num-trace-entries <num>   number of trace entries for each core, must be power of 2, setting 0 to disable trace (default %d)\n",

	       SPDK_APP_DEFAULT_NUM_TRACE_ENTRIES);

	printf("                                 Tracepoints vary in size and can use more than one trace entry.\n");

	printf("     --rpcs-allowed	   comma-separated list of permitted RPCS\n");

	printf("     --env-context         Opaque context for use of the env implementation\n");

	printf("     --vfio-vf-token       VF token (UUID) shared between SR-IOV PF and VFs for vfio_pci driver\n");