{
struct thread_data *td = data;
- if (td->o.verify != VERIFY_CRC32C_INTEL)
- return 0;
-
- if (!crc32c_intel_works()) {
- log_info("fio: System does not support hw accelerated crc32c. Falling back to sw crc32c.\n");
- td->o.verify = VERIFY_CRC32C;
+ if (td->o.verify == VERIFY_CRC32C_INTEL ||
+ td->o.verify == VERIFY_CRC32C) {
+ crc32c_intel_probe();
}
return 0;
.help = "Start IO from this offset",
.def = "0",
},
+ {
+ .name = "offset_increment",
+ .type = FIO_OPT_STR_VAL,
+ .off1 = td_var_offset(offset_increment),
+ .help = "What is the increment from one offset to the next",
+ .parent = "offset",
+ .def = "0",
+ },
{
.name = "bs",
.alias = "blocksize",
.help = "Use crc32 checksums for verification",
},
{ .ival = "crc32c-intel",
- .oval = VERIFY_CRC32C_INTEL,
- .help = "Use hw crc32c checksums for verification",
+ .oval = VERIFY_CRC32C,
+ .help = "Use crc32c checksums for verification (hw assisted, if available)",
},
{ .ival = "crc32c",
.oval = VERIFY_CRC32C,
- .help = "Use crc32c checksums for verification",
+ .help = "Use crc32c checksums for verification (hw assisted, if available)",
},
{ .ival = "crc16",
.oval = VERIFY_CRC16,
.help = "Slightly scramble buffers on every IO submit",
.def = "1",
},
+ {
+ .name = "buffer_compress_percentage",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(compress_percentage),
+ .maxval = 100,
+ .minval = 1,
+ .help = "How compressible the buffer is (approximately)",
+ },
+ {
+ .name = "buffer_compress_chunk",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(compress_chunk),
+ .parent = "buffer_compress_percentage",
+ .help = "Size of compressible region in buffer",
+ },
{
.name = "clat_percentiles",
.type = FIO_OPT_BOOL,
.off1 = td_var_offset(gid),
.help = "Run job with this group ID",
},
+ {
+ .name = "flow_id",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(flow_id),
+ .help = "The flow index ID to use",
+ .def = "0",
+ },
+ {
+ .name = "flow",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(flow),
+ .help = "Weight for flow control of this job",
+ .parent = "flow_id",
+ .def = "0",
+ },
+ {
+ .name = "flow_watermark",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(flow_watermark),
+ .help = "High watermark for flow control. This option"
+ " should be set to the same value for all threads"
+ " with non-zero flow.",
+ .parent = "flow_id",
+ .def = "1024",
+ },
+ {
+ .name = "flow_sleep",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(flow_sleep),
+ .help = "How many microseconds to sleep after being held"
+ " back by the flow control mechanism",
+ .parent = "flow_id",
+ .def = "0",
+ },
{
.name = NULL,
},