#include <signal.h>
#include <stdint.h>
#include <locale.h>
+#include <fcntl.h>
#include "fio.h"
#include "smalloc.h"
#include "os/os.h"
+#include "filelock.h"
/*
* Just expose an empty list, if the OS does not support disk util stats
"Solaris",
"Windows",
"Android",
+ "DragonFly",
};
static const char *fio_arch_strings[arch_nr] = {
"generic"
};
-static void reset_io_counters(struct thread_data *td)
+static void reset_io_counters(struct thread_data *td, int all)
{
int ddir;
- for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
- td->stat_io_bytes[ddir] = 0;
- td->this_io_bytes[ddir] = 0;
- td->stat_io_blocks[ddir] = 0;
- td->this_io_blocks[ddir] = 0;
- td->rate_bytes[ddir] = 0;
- td->rate_blocks[ddir] = 0;
+ if (all) {
+ for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
+ td->stat_io_bytes[ddir] = 0;
+ td->this_io_bytes[ddir] = 0;
+ td->stat_io_blocks[ddir] = 0;
+ td->this_io_blocks[ddir] = 0;
+ td->rate_bytes[ddir] = 0;
+ td->rate_blocks[ddir] = 0;
+ td->bytes_done[ddir] = 0;
+ td->rate_io_issue_bytes[ddir] = 0;
+ td->rate_next_io_time[ddir] = 0;
+ }
}
+
td->zone_bytes = 0;
td->last_was_sync = 0;
td->nr_done_files = 0;
}
-void clear_io_state(struct thread_data *td)
+void clear_io_state(struct thread_data *td, int all)
{
struct fio_file *f;
unsigned int i;
- reset_io_counters(td);
+ reset_io_counters(td, all);
close_files(td);
- for_each_file(td, f, i)
+ for_each_file(td, f, i) {
fio_file_clear_done(f);
+ f->file_offset = get_start_offset(td, f);
+ }
/*
- * Set the same seed to get repeatable runs
+ * Re-Seed random number generator if rand_repeatable is true
*/
- td_fill_rand_seeds(td);
+ if (td->o.rand_repeatable)
+ td_fill_rand_seeds(td);
}
void reset_all_stats(struct thread_data *td)
struct timeval tv;
int i;
- reset_io_counters(td);
+ reset_io_counters(td, 1);
for (i = 0; i < DDIR_RWDIR_CNT; i++) {
td->io_bytes[i] = 0;
memcpy(&td->epoch, &tv, sizeof(tv));
memcpy(&td->start, &tv, sizeof(tv));
- lat_target_init(td);
+ lat_target_reset(td);
}
void reset_fio_state(void)
return NULL;
}
+static const char *td_runstates[] = {
+ "NOT_CREATED",
+ "CREATED",
+ "INITIALIZED",
+ "RAMP",
+ "SETTING_UP",
+ "RUNNING",
+ "PRE_READING",
+ "VERIFYING",
+ "FSYNCING",
+ "FINISHING",
+ "EXITED",
+ "REAPED",
+};
+
+static const char *runstate_to_name(int runstate)
+{
+ compiletime_assert(TD_LAST == 12, "td runstate list");
+ if (runstate >= 0 && runstate < TD_LAST)
+ return td_runstates[runstate];
+
+ return "invalid";
+}
+
void td_set_runstate(struct thread_data *td, int runstate)
{
if (td->runstate == runstate)
return;
- dprint(FD_PROCESS, "pid=%d: runstate %d -> %d\n", (int) td->pid,
- td->runstate, runstate);
+ dprint(FD_PROCESS, "pid=%d: runstate %s -> %s\n", (int) td->pid,
+ runstate_to_name(td->runstate),
+ runstate_to_name(runstate));
td->runstate = runstate;
}
-void fio_terminate_threads(int group_id)
+int td_bump_runstate(struct thread_data *td, int new_state)
+{
+ int old_state = td->runstate;
+
+ td_set_runstate(td, new_state);
+ return old_state;
+}
+
+void td_restore_runstate(struct thread_data *td, int old_state)
+{
+ td_set_runstate(td, old_state);
+}
+
+void fio_mark_td_terminate(struct thread_data *td)
+{
+ fio_gettime(&td->terminate_time, NULL);
+ write_barrier();
+ td->terminate = 1;
+}
+
+void fio_terminate_threads(unsigned int group_id)
{
struct thread_data *td;
pid_t pid = getpid();
dprint(FD_PROCESS, "terminate group_id=%d\n", group_id);
for_each_td(td, i) {
- if (group_id == TERMINATE_ALL || groupid == td->groupid) {
+ if (group_id == TERMINATE_ALL || group_id == td->groupid) {
dprint(FD_PROCESS, "setting terminate on %s/%d\n",
td->o.name, (int) td->pid);
- td->terminate = 1;
+
+ if (td->terminate)
+ continue;
+
+ fio_mark_td_terminate(td);
td->o.start_delay = 0;
/*
}
}
+int fio_running_or_pending_io_threads(void)
+{
+ struct thread_data *td;
+ int i;
+
+ for_each_td(td, i) {
+ if (td->flags & TD_F_NOIO)
+ continue;
+ if (td->runstate < TD_EXITED)
+ return 1;
+ }
+
+ return 0;
+}
+
+int fio_set_fd_nonblocking(int fd, const char *who)
+{
+ int flags;
+
+ flags = fcntl(fd, F_GETFL);
+ if (flags < 0)
+ log_err("fio: %s failed to get file flags: %s\n", who, strerror(errno));
+ else {
+ int new_flags = flags | O_NONBLOCK;
+
+ new_flags = fcntl(fd, F_SETFL, new_flags);
+ if (new_flags < 0)
+ log_err("fio: %s failed to get file flags: %s\n", who, strerror(errno));
+ }
+
+ return flags;
+}
+
static int endian_check(void)
{
union {
{
long ps;
+ /*
+ * We need these to be properly 64-bit aligned, otherwise we
+ * can run into problems on archs that fault on unaligned fp
+ * access (ARM).
+ */
+ compiletime_assert((offsetof(struct thread_stat, percentile_list) % 8) == 0, "stat percentile_list");
+ compiletime_assert((offsetof(struct thread_stat, total_run_time) % 8) == 0, "total_run_time");
+ compiletime_assert((offsetof(struct thread_stat, total_err_count) % 8) == 0, "total_err_count");
+ compiletime_assert((offsetof(struct thread_stat, latency_percentile) % 8) == 0, "stat latency_percentile");
+ compiletime_assert((offsetof(struct thread_options_pack, zipf_theta) % 8) == 0, "zipf_theta");
+ compiletime_assert((offsetof(struct thread_options_pack, pareto_h) % 8) == 0, "pareto_h");
+ compiletime_assert((offsetof(struct thread_options_pack, percentile_list) % 8) == 0, "percentile_list");
+ compiletime_assert((offsetof(struct thread_options_pack, latency_percentile) % 8) == 0, "latency_percentile");
+
if (endian_check()) {
log_err("fio: endianness settings appear wrong.\n");
log_err("fio: please report this to fio@vger.kernel.org\n");
sinit();
+ if (fio_filelock_init()) {
+ log_err("fio: failed initializing filelock subsys\n");
+ return 1;
+ }
+
/*
* We need locale for number printing, if it isn't set then just
* go with the US format.
fio_keywords_init();
return 0;
}
+
+void deinitialize_fio(void)
+{
+ fio_keywords_exit();
+}
projects / fio.git / blobdiff