Allow percentage setting for size=
[fio.git] / options.c
index 40f60ff354c808ccacb65f88a4b525bfe1735c8b..74c64780a92658695217ee46859d631eb0008b14 100644 (file)
--- a/options.c
+++ b/options.c
@@ -3,7 +3,6 @@
 #include <unistd.h>
 #include <ctype.h>
 #include <string.h>
-#include <getopt.h>
 #include <assert.h>
 #include <libgen.h>
 #include <fcntl.h>
@@ -16,6 +15,8 @@
 #include "lib/fls.h"
 #include "options.h"
 
+#include "crc/crc32c.h"
+
 /*
  * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
  */
@@ -201,9 +202,9 @@ static int str_rw_cb(void *data, const char *str)
        struct thread_data *td = data;
        char *nr = get_opt_postfix(str);
 
-       td->o.ddir_nr = 1;
+       td->o.ddir_seq_nr = 1;
        if (nr) {
-               td->o.ddir_nr = atoi(nr);
+               td->o.ddir_seq_nr = atoi(nr);
                free(nr);
        }
 
@@ -225,13 +226,37 @@ static int str_mem_cb(void *data, const char *mem)
        return 0;
 }
 
-static int str_lockmem_cb(void fio_unused *data, unsigned long *val)
+static int str_verify_cb(void *data, const char *mem)
+{
+       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;
+       }
+
+       return 0;
+}
+
+static int fio_clock_source_cb(void *data, const char *str)
+{
+       struct thread_data *td = data;
+
+       fio_clock_source = td->o.clocksource;
+       fio_time_init();
+       return 0;
+}
+
+static int str_lockmem_cb(void fio_unused *data, unsigned long long *val)
 {
        mlock_size = *val;
        return 0;
 }
 
-static int str_rwmix_read_cb(void *data, unsigned int *val)
+static int str_rwmix_read_cb(void *data, unsigned long long *val)
 {
        struct thread_data *td = data;
 
@@ -240,7 +265,7 @@ static int str_rwmix_read_cb(void *data, unsigned int *val)
        return 0;
 }
 
-static int str_rwmix_write_cb(void *data, unsigned int *val)
+static int str_rwmix_write_cb(void *data, unsigned long long *val)
 {
        struct thread_data *td = data;
 
@@ -250,7 +275,7 @@ static int str_rwmix_write_cb(void *data, unsigned int *val)
 }
 
 #ifdef FIO_HAVE_IOPRIO
-static int str_prioclass_cb(void *data, unsigned int *val)
+static int str_prioclass_cb(void *data, unsigned long long *val)
 {
        struct thread_data *td = data;
        unsigned short mask;
@@ -266,7 +291,7 @@ static int str_prioclass_cb(void *data, unsigned int *val)
        return 0;
 }
 
-static int str_prio_cb(void *data, unsigned int *val)
+static int str_prio_cb(void *data, unsigned long long *val)
 {
        struct thread_data *td = data;
 
@@ -290,7 +315,7 @@ static int str_exitall_cb(void)
 }
 
 #ifdef FIO_HAVE_CPU_AFFINITY
-static int str_cpumask_cb(void *data, unsigned int *val)
+static int str_cpumask_cb(void *data, unsigned long long *val)
 {
        struct thread_data *td = data;
        unsigned int i;
@@ -304,7 +329,7 @@ static int str_cpumask_cb(void *data, unsigned int *val)
                return 1;
        }
 
-       max_cpu = sysconf(_SC_NPROCESSORS_ONLN);
+       max_cpu = cpus_online();
 
        for (i = 0; i < sizeof(int) * 8; i++) {
                if ((1 << i) & *val) {
@@ -341,7 +366,7 @@ static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
        strip_blank_front(&str);
        strip_blank_end(str);
 
-       max_cpu = sysconf(_SC_NPROCESSORS_ONLN);
+       max_cpu = cpus_online();
 
        while ((cpu = strsep(&str, ",")) != NULL) {
                char *str2, *cpu2;
@@ -415,6 +440,16 @@ static int str_verify_cpus_allowed_cb(void *data, const char *input)
 }
 #endif
 
+#ifdef FIO_HAVE_TRIM
+static int str_verify_trim_cb(void *data, unsigned long long *val)
+{
+       struct thread_data *td = data;
+
+       td->o.trim_percentage = *val;
+       return 0;
+}
+#endif
+
 static int str_fst_cb(void *data, const char *str)
 {
        struct thread_data *td = data;
@@ -447,6 +482,7 @@ static int str_sfr_cb(void *data, const char *str)
 
 static int check_dir(struct thread_data *td, char *fname)
 {
+#if 0
        char file[PATH_MAX], *dir;
        int elen = 0;
 
@@ -459,7 +495,6 @@ static int check_dir(struct thread_data *td, char *fname)
        sprintf(file + elen, "%s", fname);
        dir = dirname(file);
 
-#if 0
        {
        struct stat sb;
        /*
@@ -588,7 +623,7 @@ static int str_opendir_cb(void *data, const char fio_unused *str)
        return add_dir_files(td, td->o.opendir);
 }
 
-static int str_verify_offset_cb(void *data, unsigned int *off)
+static int str_verify_offset_cb(void *data, unsigned long long *off)
 {
        struct thread_data *td = data;
 
@@ -640,6 +675,11 @@ static int str_verify_pattern_cb(void *data, const char *input)
                }
        }
        td->o.verify_pattern_bytes = i;
+       /*
+        * VERIFY_META could already be set
+        */
+       if (td->o.verify == VERIFY_NONE)
+               td->o.verify = VERIFY_PATTERN;
        return 0;
 }
 
@@ -684,6 +724,7 @@ static int str_gtod_reduce_cb(void *data, int *il)
        struct thread_data *td = data;
        int val = *il;
 
+       td->o.disable_lat = !!val;
        td->o.disable_clat = !!val;
        td->o.disable_slat = !!val;
        td->o.disable_bw = !!val;
@@ -693,7 +734,7 @@ static int str_gtod_reduce_cb(void *data, int *il)
        return 0;
 }
 
-static int str_gtod_cpu_cb(void *data, int *il)
+static int str_gtod_cpu_cb(void *data, long long *il)
 {
        struct thread_data *td = data;
        int val = *il;
@@ -703,6 +744,20 @@ static int str_gtod_cpu_cb(void *data, int *il)
        return 0;
 }
 
+static int str_size_cb(void *data, unsigned long long *__val)
+{
+       struct thread_data *td = data;
+       unsigned long long v = *__val;
+
+       if (parse_is_percent(v)) {
+               td->o.size = 0;
+               td->o.size_percent = -1ULL - v;
+       } else
+               td->o.size = v;
+
+       return 0;
+}
+
 static int rw_verify(struct fio_option *o, void *data)
 {
        struct thread_data *td = data;
@@ -854,12 +909,30 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                          },
                },
        },
+       {
+               .name   = "rw_sequencer",
+               .type   = FIO_OPT_STR,
+               .off1   = td_var_offset(rw_seq),
+               .help   = "IO offset generator modifier",
+               .def    = "sequential",
+               .posval = {
+                         { .ival = "sequential",
+                           .oval = RW_SEQ_SEQ,
+                           .help = "Generate sequential offsets",
+                         },
+                         { .ival = "identical",
+                           .oval = RW_SEQ_IDENT,
+                           .help = "Generate identical offsets",
+                         },
+               },
+       },
+
        {
                .name   = "ioengine",
                .type   = FIO_OPT_STR_STORE,
                .off1   = td_var_offset(ioengine),
                .help   = "IO engine to use",
-               .def    = "sync",
+               .def    = FIO_PREFERRED_ENGINE,
                .posval = {
                          { .ival = "sync",
                            .help = "Use read/write",
@@ -868,7 +941,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                            .help = "Use pread/pwrite",
                          },
                          { .ival = "vsync",
-                            .help = "Use readv/writev",
+                           .help = "Use readv/writev",
                          },
 #ifdef FIO_HAVE_LIBAIO
                          { .ival = "libaio",
@@ -884,9 +957,14 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                          { .ival = "solarisaio",
                            .help = "Solaris native asynchronous IO",
                          },
+#endif
+#ifdef FIO_HAVE_WINDOWSAIO
+                         { .ival = "windowsaio",
+                           .help = "Windows native asynchronous IO"
+                         },
 #endif
                          { .ival = "mmap",
-                           .help = "Memory mapped IO",
+                           .help = "Memory mapped IO"
                          },
 #ifdef FIO_HAVE_SPLICE
                          { .ival = "splice",
@@ -913,12 +991,17 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                          },
 #endif
                          { .ival = "cpuio",
-                           .help = "CPU cycler burner engine",
+                           .help = "CPU cycle burner engine",
                          },
 #ifdef FIO_HAVE_GUASI
                          { .ival = "guasi",
                            .help = "GUASI IO engine",
                          },
+#endif
+#ifdef FIO_HAVE_BINJECT
+                         { .ival = "binject",
+                           .help = "binject direct inject block engine",
+                         },
 #endif
                          { .ival = "external",
                            .help = "Load external engine (append name)",
@@ -929,7 +1012,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .name   = "iodepth",
                .type   = FIO_OPT_INT,
                .off1   = td_var_offset(iodepth),
-               .help   = "Amount of IO buffers to keep in flight",
+               .help   = "Number of IO buffers to keep in flight",
                .minval = 1,
                .def    = "1",
        },
@@ -962,12 +1045,12 @@ static struct fio_option options[FIO_MAX_OPTS] = {
        {
                .name   = "size",
                .type   = FIO_OPT_STR_VAL,
-               .off1   = td_var_offset(size),
-               .minval = 1,
+               .cb     = str_size_cb,
                .help   = "Total size of device or files",
        },
        {
                .name   = "fill_device",
+               .alias  = "fill_fs",
                .type   = FIO_OPT_BOOL,
                .off1   = td_var_offset(fill_device),
                .help   = "Write until an ENOSPC error occurs",
@@ -1045,6 +1128,14 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .def    = "1",
                .parent = "rw",
        },
+       {
+               .name   = "use_os_rand",
+               .type   = FIO_OPT_BOOL,
+               .off1   = td_var_offset(use_os_rand),
+               .help   = "Set to use OS random generator",
+               .def    = "0",
+               .parent = "rw",
+       },
        {
                .name   = "norandommap",
                .type   = FIO_OPT_STR_SET,
@@ -1062,6 +1153,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
        },
        {
                .name   = "nrfiles",
+               .alias  = "nr_files",
                .type   = FIO_OPT_INT,
                .off1   = td_var_offset(nr_files),
                .help   = "Split job workload between this number of files",
@@ -1099,12 +1191,37 @@ static struct fio_option options[FIO_MAX_OPTS] = {
 #ifdef FIO_HAVE_FALLOCATE
        {
                .name   = "fallocate",
-               .type   = FIO_OPT_BOOL,
-               .off1   = td_var_offset(fallocate),
-               .help   = "Use fallocate() when laying out files",
-               .def    = "1",
-       },
+               .type   = FIO_OPT_STR,
+               .off1   = td_var_offset(fallocate_mode),
+               .help   = "Whether pre-allocation is performed when laying out files",
+               .def    = "posix",
+               .posval = {
+                         { .ival = "none",
+                           .oval = FIO_FALLOCATE_NONE,
+                           .help = "Do not pre-allocate space",
+                         },
+                         { .ival = "posix",
+                           .oval = FIO_FALLOCATE_POSIX,
+                           .help = "Use posix_fallocate()",
+                         },
+#ifdef FIO_HAVE_LINUX_FALLOCATE
+                         { .ival = "keep",
+                           .oval = FIO_FALLOCATE_KEEP_SIZE,
+                           .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
+                         },
 #endif
+                         /* Compatibility with former boolean values */
+                         { .ival = "0",
+                           .oval = FIO_FALLOCATE_NONE,
+                           .help = "Alias for 'none'",
+                         },
+                         { .ival = "1",
+                           .oval = FIO_FALLOCATE_POSIX,
+                           .help = "Alias for 'posix'",
+                         },
+               },
+       },
+#endif /* FIO_HAVE_FALLOCATE */
        {
                .name   = "fadvise_hint",
                .type   = FIO_OPT_BOOL,
@@ -1126,6 +1243,13 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .help   = "Issue fdatasync for writes every given number of blocks",
                .def    = "0",
        },
+       {
+               .name   = "write_barrier",
+               .type   = FIO_OPT_INT,
+               .off1   = td_var_offset(barrier_blocks),
+               .help   = "Make every Nth write a barrier write",
+               .def    = "0",
+       },
 #ifdef FIO_HAVE_SYNC_FILE_RANGE
        {
                .name   = "sync_file_range",
@@ -1191,7 +1315,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
        },
        {
                .name   = "startdelay",
-               .type   = FIO_OPT_INT,
+               .type   = FIO_OPT_STR_VAL_TIME,
                .off1   = td_var_offset(start_delay),
                .help   = "Only start job when this period has passed",
                .def    = "0",
@@ -1216,6 +1340,29 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .off1   = td_var_offset(ramp_time),
                .help   = "Ramp up time before measuring performance",
        },
+       {
+               .name   = "clocksource",
+               .type   = FIO_OPT_STR,
+               .cb     = fio_clock_source_cb,
+               .off1   = td_var_offset(clocksource),
+               .help   = "What type of timing source to use",
+               .posval = {
+                         { .ival = "gettimeofday",
+                           .oval = CS_GTOD,
+                           .help = "Use gettimeofday(2) for timing",
+                         },
+                         { .ival = "clock_gettime",
+                           .oval = CS_CGETTIME,
+                           .help = "Use clock_gettime(2) for timing",
+                         },
+#ifdef ARCH_HAVE_CPU_CLOCK
+                         { .ival = "cpu",
+                           .oval = CS_CPUCLOCK,
+                           .help = "Use CPU private clock",
+                         },
+#endif
+               },
+       },
        {
                .name   = "mem",
                .alias  = "iomem",
@@ -1266,6 +1413,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .type   = FIO_OPT_STR,
                .off1   = td_var_offset(verify),
                .help   = "Verify data written",
+               .cb     = str_verify_cb,
                .def    = "0",
                .posval = {
                          { .ival = "0",
@@ -1370,6 +1518,14 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .help   = "Exit on a single verify failure, don't continue",
                .parent = "verify",
        },
+       {
+               .name   = "verify_dump",
+               .type   = FIO_OPT_BOOL,
+               .off1   = td_var_offset(verify_dump),
+               .def    = "1",
+               .help   = "Dump contents of good and bad blocks on failure",
+               .parent = "verify",
+       },
        {
                .name   = "verify_async",
                .type   = FIO_OPT_INT,
@@ -1378,6 +1534,20 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .help   = "Number of async verifier threads to use",
                .parent = "verify",
        },
+       {
+               .name   = "verify_backlog",
+               .type   = FIO_OPT_STR_VAL,
+               .off1   = td_var_offset(verify_backlog),
+               .help   = "Verify after this number of blocks are written",
+               .parent = "verify",
+       },
+       {
+               .name   = "verify_backlog_batch",
+               .type   = FIO_OPT_INT,
+               .off1   = td_var_offset(verify_batch),
+               .help   = "Verify this number of IO blocks",
+               .parent = "verify",
+       },
 #ifdef FIO_HAVE_CPU_AFFINITY
        {
                .name   = "verify_async_cpus",
@@ -1386,6 +1556,39 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .help   = "Set CPUs allowed for async verify threads",
                .parent = "verify_async",
        },
+#endif
+#ifdef FIO_HAVE_TRIM
+       {
+               .name   = "trim_percentage",
+               .type   = FIO_OPT_INT,
+               .cb     = str_verify_trim_cb,
+               .maxval = 100,
+               .help   = "Number of verify blocks to discard/trim",
+               .parent = "verify",
+               .def    = "0",
+       },
+       {
+               .name   = "trim_verify_zero",
+               .type   = FIO_OPT_INT,
+               .help   = "Verify that trim/discarded blocks are returned as zeroes",
+               .off1   = td_var_offset(trim_zero),
+               .parent = "trim_percentage",
+               .def    = "1",
+       },
+       {
+               .name   = "trim_backlog",
+               .type   = FIO_OPT_STR_VAL,
+               .off1   = td_var_offset(trim_backlog),
+               .help   = "Trim after this number of blocks are written",
+               .parent = "trim_percentage",
+       },
+       {
+               .name   = "trim_backlog_batch",
+               .type   = FIO_OPT_INT,
+               .off1   = td_var_offset(trim_batch),
+               .help   = "Trim this number of IO blocks",
+               .parent = "trim_percentage",
+       },
 #endif
        {
                .name   = "write_iolog",
@@ -1399,6 +1602,21 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .off1   = td_var_offset(read_iolog_file),
                .help   = "Playback IO pattern from file",
        },
+       {
+               .name   = "replay_no_stall",
+               .type   = FIO_OPT_INT,
+               .off1   = td_var_offset(no_stall),
+               .def    = "0",
+               .parent = "read_iolog",
+               .help   = "Playback IO pattern file as fast as possible without stalls",
+       },
+       {
+               .name   = "replay_redirect",
+               .type   = FIO_OPT_STR_STORE,
+               .off1   = td_var_offset(replay_redirect),
+               .parent = "read_iolog",
+               .help   = "Replay all I/O onto this device, regardless of trace device",
+       },
        {
                .name   = "exec_prerun",
                .type   = FIO_OPT_STR_STORE,
@@ -1537,7 +1755,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .type   = FIO_OPT_INT,
                .off1   = td_var_offset(rate_iops_min[0]),
                .off2   = td_var_offset(rate_iops_min[1]),
-               .help   = "Job must meet this rate or it will be shutdown",
+               .help   = "Job must meet this rate or it will be shut down",
                .parent = "rate_iops",
        },
        {
@@ -1582,7 +1800,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .name   = "create_fsync",
                .type   = FIO_OPT_BOOL,
                .off1   = td_var_offset(create_fsync),
-               .help   = "Fsync file after creation",
+               .help   = "fsync file after creation",
                .def    = "1",
        },
        {
@@ -1596,7 +1814,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .name   = "pre_read",
                .type   = FIO_OPT_BOOL,
                .off1   = td_var_offset(pre_read),
-               .help   = "Preread files before starting official testing",
+               .help   = "Pre-read files before starting official testing",
                .def    = "0",
        },
        {
@@ -1727,6 +1945,14 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .cb     = str_gtod_reduce_cb,
                .def    = "0",
        },
+       {
+               .name   = "disable_lat",
+               .type   = FIO_OPT_BOOL,
+               .off1   = td_var_offset(disable_lat),
+               .help   = "Disable latency numbers",
+               .parent = "gtod_reduce",
+               .def    = "0",
+       },
        {
                .name   = "disable_clat",
                .type   = FIO_OPT_BOOL,
@@ -1739,7 +1965,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .name   = "disable_slat",
                .type   = FIO_OPT_BOOL,
                .off1   = td_var_offset(disable_slat),
-               .help   = "Disable submissionn latency numbers",
+               .help   = "Disable submission latency numbers",
                .parent = "gtod_reduce",
                .def    = "0",
        },
@@ -1755,14 +1981,14 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .name   = "gtod_cpu",
                .type   = FIO_OPT_INT,
                .cb     = str_gtod_cpu_cb,
-               .help   = "Setup dedicated gettimeofday() thread on this CPU",
+               .help   = "Set up dedicated gettimeofday() thread on this CPU",
                .verify = gtod_cpu_verify,
        },
        {
                .name   = "continue_on_error",
                .type   = FIO_OPT_BOOL,
                .off1   = td_var_offset(continue_on_error),
-               .help   = "Continue on non-fatal errors during I/O",
+               .help   = "Continue on non-fatal errors during IO",
                .def    = "0",
        },
        {
@@ -1785,6 +2011,13 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .minval = 100,
                .maxval = 1000,
        },
+       {
+               .name   = "cgroup_nodelete",
+               .type   = FIO_OPT_BOOL,
+               .off1   = td_var_offset(cgroup_nodelete),
+               .help   = "Do not delete cgroups after job completion",
+               .def    = "0",
+       },
        {
                .name   = "uid",
                .type   = FIO_OPT_INT,
@@ -1802,9 +2035,10 @@ static struct fio_option options[FIO_MAX_OPTS] = {
        },
 };
 
-static void add_to_lopt(struct option *lopt, struct fio_option *o)
+static void add_to_lopt(struct option *lopt, struct fio_option *o,
+                       const char *name)
 {
-       lopt->name = (char *) o->name;
+       lopt->name = (char *) name;
        lopt->val = FIO_GETOPT_JOB;
        if (o->type == FIO_OPT_STR_SET)
                lopt->has_arg = no_argument;
@@ -1825,7 +2059,11 @@ void fio_options_dup_and_init(struct option *long_options)
 
        o = &options[0];
        while (o->name) {
-               add_to_lopt(&long_options[i], o);
+               add_to_lopt(&long_options[i], o, o->name);
+               if (o->alias) {
+                       i++;
+                       add_to_lopt(&long_options[i], o, o->alias);
+               }
 
                i++;
                o++;
@@ -1866,11 +2104,11 @@ void fio_keywords_init(void)
        sprintf(buf, "%lu", page_size);
        fio_keywords[0].replace = strdup(buf);
 
-       mb_memory = os_phys_mem() / page_size;
+       mb_memory = os_phys_mem() / (1024 * 1024);
        sprintf(buf, "%llu", mb_memory);
        fio_keywords[1].replace = strdup(buf);
 
-       l = sysconf(_SC_NPROCESSORS_ONLN);
+       l = cpus_online();
        sprintf(buf, "%lu", l);
        fio_keywords[2].replace = strdup(buf);
 }