#include <string.h>
#include <sys/types.h>
#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
unsigned long arch_flags = 0;
+uintptr_t page_mask = 0;
+uintptr_t page_size = 0;
+
static const char *fio_os_strings[os_nr] = {
"Invalid",
"Linux",
"HP-UX",
"OSX",
"NetBSD",
+ "OpenBSD",
"Solaris",
- "Windows"
+ "Windows",
+ "Android",
};
static const char *fio_arch_strings[arch_nr] = {
static void reset_io_counters(struct thread_data *td)
{
int ddir;
+
for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
td->stat_io_bytes[ddir] = 0;
td->this_io_bytes[ddir] = 0;
td->zone_bytes = 0;
td->last_was_sync = 0;
+ td->rwmix_issues = 0;
/*
* reset file done count if we are to start over
*/
- if (td->o.time_based || td->o.loops)
+ if (td->o.time_based || td->o.loops || td->o.do_verify)
td->nr_done_files = 0;
}
td->io_issues[i] = 0;
td->ts.total_io_u[i] = 0;
td->ts.runtime[i] = 0;
+ td->rwmix_issues = 0;
}
fio_gettime(&tv, NULL);
memcpy(&td->epoch, &tv, sizeof(tv));
memcpy(&td->start, &tv, sizeof(tv));
+
+ lat_target_reset(td);
}
void reset_fio_state(void)
{
groupid = 0;
thread_number = 0;
- nr_process = 0;
- nr_thread = 0;
+ stat_number = 0;
done_secs = 0;
}
td->runstate = runstate;
}
+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(int group_id)
{
struct thread_data *td;
+ pid_t pid = getpid();
int i;
dprint(FD_PROCESS, "terminate group_id=%d\n", group_id);
if (group_id == TERMINATE_ALL || groupid == 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;
/*
* if the thread is running, just let it exit
*/
- if (!td->pid)
+ if (!td->pid || pid == td->pid)
continue;
else if (td->runstate < TD_RAMP)
kill(td->pid, SIGTERM);
else {
struct ioengine_ops *ops = td->io_ops;
- if (ops && (ops->flags & FIO_SIGTERM))
- kill(td->pid, SIGTERM);
+ if (ops && ops->terminate)
+ ops->terminate(td);
}
}
}
}
+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 {
+ uint8_t c[8];
+ uint64_t v;
+ } u;
+ int le = 0, be = 0;
+
+ u.v = 0x12;
+ if (u.c[7] == 0x12)
+ be = 1;
+ else if (u.c[0] == 0x12)
+ le = 1;
+
+#if defined(CONFIG_LITTLE_ENDIAN)
+ if (be)
+ return 1;
+#elif defined(CONFIG_BIG_ENDIAN)
+ if (le)
+ return 1;
+#else
+ return 1;
+#endif
+
+ if (!le && !be)
+ return 1;
+
+ return 0;
+}
+
+int initialize_fio(char *envp[])
+{
+ long ps;
+
+ if (endian_check()) {
+ log_err("fio: endianness settings appear wrong.\n");
+ log_err("fio: please report this to fio@vger.kernel.org\n");
+ return 1;
+ }
+
+#if !defined(CONFIG_GETTIMEOFDAY) && !defined(CONFIG_CLOCK_GETTIME)
+#error "No available clock source!"
+#endif
+
+ arch_init(envp);
+
+ 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.
+ */
+ if (!getenv("LC_NUMERIC"))
+ setlocale(LC_NUMERIC, "en_US");
+
+ ps = sysconf(_SC_PAGESIZE);
+ if (ps < 0) {
+ log_err("Failed to get page size\n");
+ return 1;
+ }
+
+ page_size = ps;
+ page_mask = ps - 1;
+
+ fio_keywords_init();
+ return 0;
+}