configure: add gettid() test
[fio.git] / init.c
diff --git a/init.c b/init.c
index 8cb81179f60a8c80201b81dcc80977f0ea5bf5cf..738342799c5cc391494b43d3de8433939698cb35 100644 (file)
--- a/init.c
+++ b/init.c
@@ -30,6 +30,7 @@
 #include "idletime.h"
 #include "filelock.h"
 #include "steadystate.h"
+#include "blktrace.h"
 
 #include "oslib/getopt.h"
 #include "oslib/strcasestr.h"
@@ -44,15 +45,16 @@ const char fio_version_string[] = FIO_VERSION;
 
 static char **ini_file;
 static int max_jobs = FIO_MAX_JOBS;
-static int dump_cmdline;
-static int parse_only;
+static bool dump_cmdline;
+static bool parse_only;
+static bool merge_blktrace_only;
 
 static struct thread_data def_thread;
 struct thread_data *threads = NULL;
 static char **job_sections;
 static int nr_job_sections;
 
-int exitall_on_terminate = 0;
+bool exitall_on_terminate = false;
 int output_format = FIO_OUTPUT_NORMAL;
 int eta_print = FIO_ETA_AUTO;
 unsigned int eta_interval_msec = 1000;
@@ -62,12 +64,13 @@ FILE *f_err = NULL;
 char *exec_profile = NULL;
 int warnings_fatal = 0;
 int terse_version = 3;
-int is_backend = 0;
+bool is_backend = false;
+bool is_local_backend = false;
 int nr_clients = 0;
-int log_syslog = 0;
+bool log_syslog = false;
 
-int write_bw_log = 0;
-int read_only = 0;
+bool write_bw_log = false;
+bool read_only = false;
 int status_interval = 0;
 
 char *trigger_file = NULL;
@@ -258,7 +261,7 @@ static struct option l_opts[FIO_NR_OPTIONS] = {
        {
                .name           = (char *) "status-interval",
                .has_arg        = required_argument,
-               .val            = 'L',
+               .val            = 'L' | FIO_CLIENT_FLAG,
        },
        {
                .name           = (char *) "trigger-file",
@@ -285,6 +288,11 @@ static struct option l_opts[FIO_NR_OPTIONS] = {
                .has_arg        = required_argument,
                .val            = 'K',
        },
+       {
+               .name           = (char *) "merge-blktrace-only",
+               .has_arg        = no_argument,
+               .val            = 'A' | FIO_CLIENT_FLAG,
+       },
        {
                .name           = NULL,
        },
@@ -617,17 +625,34 @@ static int fixup_options(struct thread_data *td)
                ret |= warnings_fatal;
        }
 
+       if (o->zone_mode == ZONE_MODE_NONE && o->zone_size) {
+               log_err("fio: --zonemode=none and --zonesize are not compatible.\n");
+               ret |= 1;
+       }
+
+       if (o->zone_mode == ZONE_MODE_STRIDED && !o->zone_size) {
+               log_err("fio: --zonesize must be specified when using --zonemode=strided.\n");
+               ret |= 1;
+       }
+
+       if (o->zone_mode == ZONE_MODE_NOT_SPECIFIED) {
+               if (o->zone_size)
+                       o->zone_mode = ZONE_MODE_STRIDED;
+               else
+                       o->zone_mode = ZONE_MODE_NONE;
+       }
+
        /*
-        * only really works with 1 file
+        * Strided zone mode only really works with 1 file.
         */
-       if (o->zone_size && o->open_files > 1)
-               o->zone_size = 0;
+       if (o->zone_mode == ZONE_MODE_STRIDED && o->open_files > 1)
+               o->zone_mode = ZONE_MODE_NONE;
 
        /*
         * If zone_range isn't specified, backward compatibility dictates it
         * should be made equal to zone_size.
         */
-       if (o->zone_size && !o->zone_range)
+       if (o->zone_mode == ZONE_MODE_STRIDED && !o->zone_range)
                o->zone_range = o->zone_size;
 
        /*
@@ -719,19 +744,12 @@ static int fixup_options(struct thread_data *td)
        /*
         * There's no need to check for in-flight overlapping IOs if the job
         * isn't changing data or the maximum iodepth is guaranteed to be 1
+        * when we are not in offload mode
         */
        if (o->serialize_overlap && !(td->flags & TD_F_READ_IOLOG) &&
-           (!(td_write(td) || td_trim(td)) || o->iodepth == 1))
-               o->serialize_overlap = 0;
-       /*
-        * Currently can't check for overlaps in offload mode
-        */
-       if (o->serialize_overlap && o->io_submit_mode == IO_MODE_OFFLOAD) {
-               log_err("fio: checking for in-flight overlaps when the "
-                       "io_submit_mode is offload is not supported\n");
+           (!(td_write(td) || td_trim(td)) || o->iodepth == 1) &&
+           o->io_submit_mode != IO_MODE_OFFLOAD)
                o->serialize_overlap = 0;
-               ret |= warnings_fatal;
-       }
 
        if (o->nr_files > td->files_index)
                o->nr_files = td->files_index;
@@ -1199,7 +1217,7 @@ static void init_flags(struct thread_data *td)
 
 static int setup_random_seeds(struct thread_data *td)
 {
-       unsigned long seed;
+       uint64_t seed;
        unsigned int i;
 
        if (!td->o.rand_repeatable && !fio_option_is_set(&td->o, rand_seed)) {
@@ -1400,6 +1418,17 @@ static bool wait_for_ok(const char *jobname, struct thread_options *o)
        return true;
 }
 
+/*
+ * Treat an empty log file name the same as a one not given
+ */
+static const char *make_log_name(const char *logname, const char *jobname)
+{
+       if (logname && strcmp(logname, ""))
+               return logname;
+
+       return jobname;
+}
+
 /*
  * Adds a job to the list of things todo. Sanitizes the various options
  * to make sure we don't have conflicts, and initializes various
@@ -1524,7 +1553,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                        .log_gz = o->log_gz,
                        .log_gz_store = o->log_gz_store,
                };
-               const char *pre = o->lat_log_file ? o->lat_log_file : o->name;
+               const char *pre = make_log_name(o->lat_log_file, o->name);
                const char *suf;
 
                if (p.log_gz_store)
@@ -1543,6 +1572,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                gen_log_name(logname, sizeof(logname), "clat", pre,
                                td->thread_number, suf, o->per_job_logs);
                setup_log(&td->clat_log, &p, logname);
+
        }
 
        if (o->write_hist_log) {
@@ -1556,7 +1586,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                        .log_gz = o->log_gz,
                        .log_gz_store = o->log_gz_store,
                };
-               const char *pre = o->hist_log_file ? o->hist_log_file : o->name;
+               const char *pre = make_log_name(o->hist_log_file, o->name);
                const char *suf;
 
 #ifndef CONFIG_ZLIB
@@ -1587,7 +1617,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                        .log_gz = o->log_gz,
                        .log_gz_store = o->log_gz_store,
                };
-               const char *pre = o->bw_log_file ? o->bw_log_file : o->name;
+               const char *pre = make_log_name(o->bw_log_file, o->name);
                const char *suf;
 
                if (fio_option_is_set(o, bw_avg_time))
@@ -1618,7 +1648,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                        .log_gz = o->log_gz,
                        .log_gz_store = o->log_gz_store,
                };
-               const char *pre = o->iops_log_file ? o->iops_log_file : o->name;
+               const char *pre = make_log_name(o->iops_log_file, o->name);
                const char *suf;
 
                if (fio_option_is_set(o, iops_avg_time))
@@ -1651,6 +1681,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                                char *c1, *c2, *c3, *c4;
                                char *c5 = NULL, *c6 = NULL;
                                int i2p = is_power_of_2(o->kb_base);
+                               struct buf_output out;
 
                                c1 = num2str(o->min_bs[DDIR_READ], o->sig_figs, 1, i2p, N2S_BYTE);
                                c2 = num2str(o->max_bs[DDIR_READ], o->sig_figs, 1, i2p, N2S_BYTE);
@@ -1662,19 +1693,22 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                                        c6 = num2str(o->max_bs[DDIR_TRIM], o->sig_figs, 1, i2p, N2S_BYTE);
                                }
 
-                               log_info("%s: (g=%d): rw=%s, ", td->o.name,
+                               buf_output_init(&out);
+                               __log_buf(&out, "%s: (g=%d): rw=%s, ", td->o.name,
                                                        td->groupid,
                                                        ddir_str(o->td_ddir));
 
                                if (o->bs_is_seq_rand)
-                                       log_info("bs=(R) %s-%s, (W) %s-%s, bs_is_seq_rand, ",
+                                       __log_buf(&out, "bs=(R) %s-%s, (W) %s-%s, bs_is_seq_rand, ",
                                                        c1, c2, c3, c4);
                                else
-                                       log_info("bs=(R) %s-%s, (W) %s-%s, (T) %s-%s, ",
+                                       __log_buf(&out, "bs=(R) %s-%s, (W) %s-%s, (T) %s-%s, ",
                                                        c1, c2, c3, c4, c5, c6);
 
-                               log_info("ioengine=%s, iodepth=%u\n",
+                               __log_buf(&out, "ioengine=%s, iodepth=%u\n",
                                                td->io_ops->name, o->iodepth);
+                               log_info_buf(out.buf, out.buflen);
+                               buf_output_free(&out);
 
                                free(c1);
                                free(c2);
@@ -1690,6 +1724,14 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
        if (td_steadystate_init(td))
                goto err;
 
+       if (o->merge_blktrace_file && !merge_blktrace_iologs(td))
+               goto err;
+
+       if (merge_blktrace_only) {
+               put_job(td);
+               return 0;
+       }
+
        /*
         * recurse add identical jobs, clear numjobs and stonewall options
         * as they don't apply to sub-jobs
@@ -2139,6 +2181,7 @@ static void usage(const char *name)
        printf("  --debug=options\tEnable debug logging. May be one/more of:\n");
        show_debug_categories();
        printf("  --parse-only\t\tParse options only, don't start any IO\n");
+       printf("  --merge-blktrace-only\tMerge blktraces only, don't start any IO\n");
        printf("  --output\t\tWrite output to file\n");
        printf("  --bandwidth-log\tGenerate aggregate bandwidth logs\n");
        printf("  --minimal\t\tMinimal (terse) output\n");
@@ -2158,7 +2201,7 @@ static void usage(const char *name)
        printf("  --showcmd\t\tTurn a job file into command line options\n");
        printf("  --eta=when\t\tWhen ETA estimate should be printed\n");
        printf("            \t\tMay be \"always\", \"never\" or \"auto\"\n");
-       printf("  --eta-newline=time\tForce a new line for every 'time'");
+       printf("  --eta-newline=t\tForce a new line for every 't'");
        printf(" period passed\n");
        printf("  --status-interval=t\tForce full status dump every");
        printf(" 't' period passed\n");
@@ -2262,6 +2305,10 @@ const struct debug_level debug_levels[] = {
          .help = "Helper thread logging",
          .shift = FD_HELPERTHREAD,
        },
+       { .name = "zbd",
+         .help = "Zoned Block Device logging",
+         .shift = FD_ZBD,
+       },
        { .name = NULL, },
 };
 
@@ -2433,7 +2480,7 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
        char *ostr = cmd_optstr;
        char *pid_file = NULL;
        void *cur_client = NULL;
-       int backend = 0;
+       bool backend = false;
 
        /*
         * Reset optind handling, since we may call this multiple times
@@ -2459,7 +2506,7 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                        exit_val = 1;
                        break;
                case 'b':
-                       write_bw_log = 1;
+                       write_bw_log = true;
                        break;
                case 'o': {
                        FILE *tmp;
@@ -2514,7 +2561,7 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                        break;
                case 's':
                        did_arg = true;
-                       dump_cmdline = 1;
+                       dump_cmdline = true;
                        break;
                case 'r':
                        read_only = 1;
@@ -2580,7 +2627,7 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                        break;
                case 'P':
                        did_arg = true;
-                       parse_only = 1;
+                       parse_only = true;
                        break;
                case 'x': {
                        size_t new_size;
@@ -2705,8 +2752,8 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                        }
                        if (optarg)
                                fio_server_set_arg(optarg);
-                       is_backend = 1;
-                       backend = 1;
+                       is_backend = true;
+                       backend = true;
 #else
                        log_err("fio: client/server requires SHM support\n");
                        do_exit++;
@@ -2851,10 +2898,16 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                        }
                        trigger_timeout /= 1000000;
                        break;
+
+               case 'A':
+                       did_arg = true;
+                       merge_blktrace_only = true;
+                       break;
                case '?':
                        log_err("%s: unrecognized option '%s'\n", argv[0],
                                                        argv[optind - 1]);
                        show_closest_option(argv[optind - 1]);
+                       /* fall through */
                default:
                        do_exit++;
                        exit_val = 1;