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event: reactor loop delay configurable from cmdline

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Change-Id: I38ab7b60d528fa9e0161ddba48c723601d8a6b78
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/437142
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Wojciech Malikowski 2018-12-13 08:21:46 -05:00 committed by Ben Walker
parent 6907c36f2c
commit d1a6901c61
1 changed files with 9 additions and 0 deletions
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9
lib/event/app.c
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@ -119,6 +119,8 @@ static const struct option g_cmdline_options[] = {
{"huge-dir", no_argument, NULL, HUGE_DIR_OPT_IDX}, {"huge-dir", no_argument, NULL, HUGE_DIR_OPT_IDX},
#define NUM_TRACE_ENTRIES_OPT_IDX 260 #define NUM_TRACE_ENTRIES_OPT_IDX 260
{"num-trace-entries", required_argument, NULL, NUM_TRACE_ENTRIES_OPT_IDX}, {"num-trace-entries", required_argument, NULL, NUM_TRACE_ENTRIES_OPT_IDX},
#define MAX_REACTOR_DELAY_OPT_IDX 261
{"max-delay", required_argument, NULL, MAX_REACTOR_DELAY_OPT_IDX},
}; };
/* Global section */ /* Global section */
@ -732,6 +734,7 @@ usage(void (*app_usage)(void))
printf(" --silence-noticelog disable notice level logging to stderr\n"); printf(" --silence-noticelog disable notice level logging to stderr\n");
printf(" -u, --no-pci disable PCI access\n"); printf(" -u, --no-pci disable PCI access\n");
printf(" --wait-for-rpc wait for RPCs to initialize subsystems\n"); printf(" --wait-for-rpc wait for RPCs to initialize subsystems\n");
printf(" --max-delay <num> maximum reactor delay (in microseconds)\n");
printf(" -B, --pci-blacklist <bdf>\n"); printf(" -B, --pci-blacklist <bdf>\n");
printf(" pci addr to blacklist (can be used more than once)\n"); printf(" pci addr to blacklist (can be used more than once)\n");
printf(" -R, --huge-unlink unlink huge files after initialization\n"); printf(" -R, --huge-unlink unlink huge files after initialization\n");
@ -943,6 +946,12 @@ spdk_app_parse_args(int argc, char **argv, struct spdk_app_opts *opts,
goto out; goto out;
} }
break; break;
case MAX_REACTOR_DELAY_OPT_IDX:
if (optarg == NULL) {
goto out;
}
opts->max_delay_us = atoi(optarg);
break;
case '?': case '?':
/* /*
* In the event getopt() above detects an option * In the event getopt() above detects an option