The following changes since commit dde7b2361bf5b052a9c5c727bb2b062c604c7d42: gclient: don't free pdu on iolog return (2015-12-16 15:05:54 -0700) are available in the git repository at: git://git.kernel.dk/fio.git master for you to fetch changes up to dfc8e76c8d438da9861acfcdc96c46afe4339148: server: code cleanups (2015-12-17 15:23:48 -0700) ---------------------------------------------------------------- Jens Axboe (7): Ensure that command line options also end up in json output client/server: various bug fixes Fix compile warning for !zlib client/server: transparent handling of storing compressed logs configure: fix zlib typo server: remove leftover debug statement server: code cleanups client.c | 65 +++++++++++++++++++++++++---- client.h | 3 -- gclient.c | 6 --- iolog.c | 31 ++++++++++---- iolog.h | 9 ++++ options.c | 9 ++-- parse.c | 44 ++++++++++++-------- parse.h | 2 +- server.c | 139 ++++++++++++++++++++++++++++++++++++++++++++------------------ server.h | 5 +++ 10 files changed, 227 insertions(+), 86 deletions(-) --- Diff of recent changes: diff --git a/client.c b/client.c index f4b95d3..27a764d 100644 --- a/client.c +++ b/client.c @@ -70,6 +70,8 @@ static int error_clients; #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1) static struct flist_head client_hash[FIO_CLIENT_HASH_SZ]; +static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *, bool *); + static void fio_client_add_hash(struct fio_client *client) { int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS); @@ -1224,6 +1226,46 @@ static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd) fio_client_dec_jobs_eta(eta, client->ops->eta); } +void fio_client_handle_iolog(struct fio_client *client, struct fio_net_cmd *cmd) +{ + struct cmd_iolog_pdu *pdu; + bool store_direct; + + pdu = convert_iolog(cmd, &store_direct); + if (!pdu) + return; + + if (store_direct) { + ssize_t ret; + size_t sz; + int fd; + + fd = open((const char *) pdu->name, + O_WRONLY | O_CREAT | O_TRUNC, 0644); + if (fd < 0) { + perror("open log"); + return; + } + sz = cmd->pdu_len - sizeof(*pdu); + ret = write(fd, pdu->samples, sz); + if (ret != sz) + log_err("fio: short write on compressed log\n"); + close(fd); + } else { + FILE *f; + + f = fopen((const char *) pdu->name, "w"); + if (!f) { + perror("fopen log"); + return; + } + + flush_samples(f, pdu->samples, + pdu->nr_samples * sizeof(struct io_sample)); + fclose(f); + } +} + static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd) { struct cmd_probe_reply_pdu *probe = (struct cmd_probe_reply_pdu *) cmd->payload; @@ -1364,27 +1406,36 @@ err: * This has been compressed on the server side, since it can be big. * Uncompress here. */ -static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd) +static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd, + bool *store_direct) { struct cmd_iolog_pdu *pdu = (struct cmd_iolog_pdu *) cmd->payload; struct cmd_iolog_pdu *ret; uint64_t i; + int compressed; void *samples; + *store_direct = false; + /* * Convert if compressed and we support it. If it's not * compressed, we need not do anything. */ - if (le32_to_cpu(pdu->compressed)) { + compressed = le32_to_cpu(pdu->compressed); + if (compressed == XMIT_COMPRESSED) { #ifndef CONFIG_ZLIB log_err("fio: server sent compressed data by mistake\n"); return NULL; #endif ret = convert_iolog_gz(cmd, pdu); + printf("compressed iolog, %p\n", ret); if (!ret) { log_err("fio: failed decompressing log\n"); return NULL; } + } else if (compressed == STORE_COMPRESSED) { + *store_direct = true; + ret = pdu; } else ret = pdu; @@ -1394,6 +1445,9 @@ static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd) ret->compressed = le32_to_cpu(ret->compressed); ret->log_offset = le32_to_cpu(ret->log_offset); + if (*store_direct) + return ret; + samples = &ret->samples[0]; for (i = 0; i < ret->nr_samples; i++) { struct io_sample *s; @@ -1550,12 +1604,7 @@ int fio_handle_client(struct fio_client *client) break; } case FIO_NET_CMD_IOLOG: - if (ops->iolog) { - struct cmd_iolog_pdu *pdu; - - pdu = convert_iolog(cmd); - ops->iolog(client, pdu); - } + fio_client_handle_iolog(client, cmd); break; case FIO_NET_CMD_UPDATE_JOB: ops->update_job(client, cmd); diff --git a/client.h b/client.h index 035e606..7fe09d1 100644 --- a/client.h +++ b/client.h @@ -76,12 +76,10 @@ struct fio_client { unsigned int nr_files; }; -struct cmd_iolog_pdu; typedef void (client_cmd_op)(struct fio_client *, struct fio_net_cmd *); typedef void (client_eta_op)(struct jobs_eta *je); typedef void (client_timed_out_op)(struct fio_client *); typedef void (client_jobs_eta_op)(struct fio_client *client, struct jobs_eta *je); -typedef void (client_iolog_op)(struct fio_client *client, struct cmd_iolog_pdu *); struct client_ops { client_cmd_op *text; @@ -98,7 +96,6 @@ struct client_ops { client_cmd_op *stop; client_cmd_op *start; client_cmd_op *job_start; - client_iolog_op *iolog; client_timed_out_op *removed; unsigned int eta_msec; diff --git a/gclient.c b/gclient.c index 949ad42..9c32474 100644 --- a/gclient.c +++ b/gclient.c @@ -693,11 +693,6 @@ static void gfio_client_job_start(struct fio_client *client, struct fio_net_cmd gdk_threads_leave(); } -static void gfio_client_iolog(struct fio_client *client, struct cmd_iolog_pdu *pdu) -{ - printf("got iolog: name=%s, type=%u, entries=%lu\n", pdu->name, pdu->log_type, (unsigned long) pdu->nr_samples); -} - static void gfio_add_total_depths_tree(GtkListStore *model, struct thread_stat *ts, unsigned int len) { @@ -1393,7 +1388,6 @@ struct client_ops gfio_client_ops = { .stop = gfio_client_stop, .start = gfio_client_start, .job_start = gfio_client_job_start, - .iolog = gfio_client_iolog, .removed = gfio_client_removed, .eta_msec = FIO_CLIENT_DEF_ETA_MSEC, .stay_connected = 1, diff --git a/iolog.c b/iolog.c index d4a1017..feda9ed 100644 --- a/iolog.c +++ b/iolog.c @@ -634,7 +634,7 @@ void free_log(struct io_log *log) free(log); } -static void flush_samples(FILE *f, void *samples, uint64_t sample_size) +void flush_samples(FILE *f, void *samples, uint64_t sample_size) { struct io_sample *s; int log_offset; @@ -682,13 +682,6 @@ struct iolog_flush_data { uint64_t nr_samples; }; -struct iolog_compress { - struct flist_head list; - void *buf; - size_t len; - unsigned int seq; -}; - #define GZ_CHUNK 131072 static struct iolog_compress *get_new_chunk(unsigned int seq) @@ -984,7 +977,7 @@ static int finish_log(struct thread_data *td, struct io_log *log, int trylock) } else fio_lock_file(log->filename); - if (td->client_type == FIO_CLIENT_TYPE_GUI) + if (td->client_type == FIO_CLIENT_TYPE_GUI || is_backend) fio_send_iolog(td, log, log->filename); else flush_log(log, !td->o.per_job_logs); @@ -994,6 +987,26 @@ static int finish_log(struct thread_data *td, struct io_log *log, int trylock) return 0; } +size_t log_chunk_sizes(struct io_log *log) +{ + struct flist_head *entry; + size_t ret; + + if (flist_empty(&log->chunk_list)) + return 0; + + ret = 0; + pthread_mutex_lock(&log->chunk_lock); + flist_for_each(entry, &log->chunk_list) { + struct iolog_compress *c; + + c = flist_entry(entry, struct iolog_compress, list); + ret += c->len; + } + pthread_mutex_unlock(&log->chunk_lock); + return ret; +} + #ifdef CONFIG_ZLIB static void drop_data_unlock(struct iolog_flush_data *data) diff --git a/iolog.h b/iolog.h index b99329a..297daf5 100644 --- a/iolog.h +++ b/iolog.h @@ -186,6 +186,7 @@ extern void prune_io_piece_log(struct thread_data *); extern void write_iolog_close(struct thread_data *); extern int iolog_compress_init(struct thread_data *, struct sk_out *); extern void iolog_compress_exit(struct thread_data *); +extern size_t log_chunk_sizes(struct io_log *); #ifdef CONFIG_ZLIB extern int iolog_file_inflate(const char *); @@ -207,6 +208,7 @@ struct log_params { extern void finalize_logs(struct thread_data *td); extern void setup_log(struct io_log **, struct log_params *, const char *); extern void flush_log(struct io_log *, int); +extern void flush_samples(FILE *, void *, uint64_t); extern void free_log(struct io_log *); extern void fio_writeout_logs(struct thread_data *); extern int iolog_flush(struct io_log *, int); @@ -217,4 +219,11 @@ static inline void init_ipo(struct io_piece *ipo) INIT_FLIST_HEAD(&ipo->trim_list); } +struct iolog_compress { + struct flist_head list; + void *buf; + size_t len; + unsigned int seq; +}; + #endif diff --git a/options.c b/options.c index 964e263..45726aa 100644 --- a/options.c +++ b/options.c @@ -536,6 +536,7 @@ static int str_verify_cpus_allowed_cb(void *data, const char *input) return set_cpus_allowed(td, &td->o.verify_cpumask, input); } +#ifdef CONFIG_ZLIB static int str_log_cpus_allowed_cb(void *data, const char *input) { struct thread_data *td = data; @@ -545,8 +546,9 @@ static int str_log_cpus_allowed_cb(void *data, const char *input) return set_cpus_allowed(td, &td->o.log_gz_cpumask, input); } +#endif /* CONFIG_ZLIB */ -#endif +#endif /* FIO_HAVE_CPU_AFFINITY */ #ifdef CONFIG_LIBNUMA static int str_numa_cpunodes_cb(void *data, char *input) @@ -4143,7 +4145,7 @@ int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val) { int ret; - ret = parse_cmd_option(opt, val, fio_options, td); + ret = parse_cmd_option(opt, val, fio_options, td, &td->opt_list); if (!ret) { struct fio_option *o; @@ -4158,7 +4160,8 @@ int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val) int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt, char *val) { - return parse_cmd_option(opt, val, td->io_ops->options, td->eo); + return parse_cmd_option(opt, val, td->io_ops->options, td->eo, + &td->opt_list); } void fio_fill_default_options(struct thread_data *td) diff --git a/parse.c b/parse.c index 0ef00b8..ac1bee9 100644 --- a/parse.c +++ b/parse.c @@ -960,8 +960,27 @@ void sort_options(char **opts, struct fio_option *options, int num_opts) __fio_options = NULL; } +static void add_to_dump_list(struct fio_option *o, struct flist_head *dump_list, + const char *post) +{ + struct print_option *p; + + if (!dump_list) + return; + + p = malloc(sizeof(*p)); + p->name = strdup(o->name); + if (post) + p->value = strdup(post); + else + p->value = NULL; + + flist_add_tail(&p->list, dump_list); +} + int parse_cmd_option(const char *opt, const char *val, - struct fio_option *options, void *data) + struct fio_option *options, void *data, + struct flist_head *dump_list) { struct fio_option *o; @@ -971,11 +990,13 @@ int parse_cmd_option(const char *opt, const char *val, return 1; } - if (!handle_option(o, val, data)) - return 0; + if (handle_option(o, val, data)) { + log_err("fio: failed parsing %s=%s\n", opt, val); + return 1; + } - log_err("fio: failed parsing %s=%s\n", opt, val); - return 1; + add_to_dump_list(o, dump_list, val); + return 0; } int parse_option(char *opt, const char *input, @@ -1006,18 +1027,7 @@ int parse_option(char *opt, const char *input, return 1; } - if (dump_list) { - struct print_option *p = malloc(sizeof(*p)); - - p->name = strdup((*o)->name); - if (post) - p->value = strdup(post); - else - p->value = NULL; - - flist_add_tail(&p->list, dump_list); - } - + add_to_dump_list(*o, dump_list, post); return 0; } diff --git a/parse.h b/parse.h index 1882810..3ba8047 100644 --- a/parse.h +++ b/parse.h @@ -82,7 +82,7 @@ typedef int (str_cb_fn)(void *, char *); extern int parse_option(char *, const char *, struct fio_option *, struct fio_option **, void *, struct flist_head *); extern void sort_options(char **, struct fio_option *, int); -extern int parse_cmd_option(const char *t, const char *l, struct fio_option *, void *); +extern int parse_cmd_option(const char *t, const char *l, struct fio_option *, void *, struct flist_head *); extern int show_cmd_help(struct fio_option *, const char *); extern void fill_default_options(void *, struct fio_option *); extern void option_init(struct fio_option *); diff --git a/server.c b/server.c index f11e972..f53e2c8 100644 --- a/server.c +++ b/server.c @@ -37,6 +37,7 @@ enum { SK_F_COPY = 2, SK_F_SIMPLE = 4, SK_F_VEC = 8, + SK_F_INLINE = 16, }; struct sk_entry { @@ -54,9 +55,10 @@ struct sk_out { * protected by below ->lock */ int sk; /* socket fd to talk to client */ - struct fio_mutex *lock; /* protects ref and below list */ + struct fio_mutex lock; /* protects ref and below list */ struct flist_head list; /* list of pending transmit work */ - struct fio_mutex *wait; /* wake backend when items added to list */ + struct fio_mutex wait; /* wake backend when items added to list */ + struct fio_mutex xmit; /* held while sending data */ }; static char *fio_server_arg; @@ -116,12 +118,12 @@ static const char *fio_server_ops[FIO_NET_CMD_NR] = { static void sk_lock(struct sk_out *sk_out) { - fio_mutex_down(sk_out->lock); + fio_mutex_down(&sk_out->lock); } static void sk_unlock(struct sk_out *sk_out) { - fio_mutex_up(sk_out->lock); + fio_mutex_up(&sk_out->lock); } void sk_out_assign(struct sk_out *sk_out) @@ -137,8 +139,9 @@ void sk_out_assign(struct sk_out *sk_out) static void sk_out_free(struct sk_out *sk_out) { - fio_mutex_remove(sk_out->lock); - fio_mutex_remove(sk_out->wait); + __fio_mutex_remove(&sk_out->lock); + __fio_mutex_remove(&sk_out->wait); + __fio_mutex_remove(&sk_out->xmit); sfree(sk_out); } @@ -517,8 +520,9 @@ int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, return ret; } -static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, off_t size, - uint64_t *tagptr, int flags) +static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, + size_t size, uint64_t *tagptr, + int flags) { struct sk_entry *entry; @@ -530,22 +534,28 @@ static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, off_t size, memcpy(entry->buf, buf, size); } else entry->buf = buf; + entry->size = size; entry->tagptr = tagptr; entry->flags = flags; - return entry; } +static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry); + static void fio_net_queue_entry(struct sk_entry *entry) { struct sk_out *sk_out = pthread_getspecific(sk_out_key); - sk_lock(sk_out); - flist_add_tail(&entry->list, &sk_out->list); - sk_unlock(sk_out); + if (entry->flags & SK_F_INLINE) + handle_sk_entry(sk_out, entry); + else { + sk_lock(sk_out); + flist_add_tail(&entry->list, &sk_out->list); + sk_unlock(sk_out); - fio_mutex_up(sk_out->wait); + fio_mutex_up(&sk_out->wait); + } } static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size, @@ -1102,17 +1112,24 @@ static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) { int ret; + fio_mutex_down(&sk_out->xmit); + if (entry->flags & SK_F_VEC) ret = send_vec_entry(sk_out, entry); - if (entry->flags & SK_F_SIMPLE) { + else if (entry->flags & SK_F_SIMPLE) { uint64_t tag = 0; if (entry->tagptr) tag = *entry->tagptr; - ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, tag, NULL); - } else - ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, entry->size, entry->tagptr, NULL); + ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, tag, + NULL); + } else { + ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, + entry->size, entry->tagptr, NULL); + } + + fio_mutex_up(&sk_out->xmit); if (ret) log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode)); @@ -1177,7 +1194,7 @@ static int handle_connection(struct sk_out *sk_out) break; } else if (!ret) { fio_server_check_jobs(&job_list); - fio_mutex_down_timeout(sk_out->wait, timeout); + fio_mutex_down_timeout(&sk_out->wait, timeout); continue; } @@ -1323,8 +1340,9 @@ static int accept_loop(int listen_sk) sk_out = smalloc(sizeof(*sk_out)); sk_out->sk = sk; INIT_FLIST_HEAD(&sk_out->list); - sk_out->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); - sk_out->wait = fio_mutex_init(FIO_MUTEX_LOCKED); + __fio_mutex_init(&sk_out->lock, FIO_MUTEX_UNLOCKED); + __fio_mutex_init(&sk_out->wait, FIO_MUTEX_LOCKED); + __fio_mutex_init(&sk_out->xmit, FIO_MUTEX_UNLOCKED); pid = fork(); if (pid) { @@ -1609,7 +1627,7 @@ void fio_server_send_du(void) } } -static int fio_send_iolog_gz(struct sk_entry *first, struct io_log *log) +static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) { int ret = 0; #ifdef CONFIG_ZLIB @@ -1649,7 +1667,8 @@ static int fio_send_iolog_gz(struct sk_entry *first, struct io_log *log) this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, - NULL, SK_F_FREE | SK_F_VEC); + NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); + out_pdu = NULL; flist_add_tail(&entry->list, &first->next); } while (stream.avail_in); @@ -1661,6 +1680,36 @@ err: return ret; } +static int fio_append_gz_chunks(struct sk_entry *first, struct io_log *log) +{ + struct sk_entry *entry; + struct flist_head *node; + + pthread_mutex_lock(&log->chunk_lock); + flist_for_each(node, &log->chunk_list) { + struct iolog_compress *c; + + c = flist_entry(node, struct iolog_compress, list); + entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, c->buf, c->len, + NULL, SK_F_VEC | SK_F_INLINE); + flist_add_tail(&entry->list, &first->next); + } + pthread_mutex_unlock(&log->chunk_lock); + + return 0; +} + +static int fio_append_text_log(struct sk_entry *first, struct io_log *log) +{ + struct sk_entry *entry; + size_t size = log->nr_samples * log_entry_sz(log); + + entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, log->log, size, + NULL, SK_F_VEC | SK_F_INLINE); + flist_add_tail(&entry->list, &first->next); + return 0; +} + int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) { struct cmd_iolog_pdu pdu; @@ -1670,11 +1719,21 @@ int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) pdu.nr_samples = cpu_to_le64(log->nr_samples); pdu.thread_number = cpu_to_le32(td->thread_number); pdu.log_type = cpu_to_le32(log->log_type); - pdu.compressed = cpu_to_le32(use_zlib); + + if (!flist_empty(&log->chunk_list)) + pdu.compressed = __cpu_to_le32(STORE_COMPRESSED); + else if (use_zlib) + pdu.compressed = __cpu_to_le32(XMIT_COMPRESSED); + else + pdu.compressed = 0; strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; + /* + * We can't do this for a pre-compressed log, but for that case, + * log->nr_samples is zero anyway. + */ for (i = 0; i < log->nr_samples; i++) { struct io_sample *s = get_sample(log, i); @@ -1693,23 +1752,22 @@ int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) /* * Assemble header entry first */ - first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_COPY | SK_F_VEC); + first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_VEC | SK_F_INLINE | SK_F_COPY); /* - * Now append actual log entries. Compress if we can, otherwise just - * plain text output. + * Now append actual log entries. If log compression was enabled on + * the job, just send out the compressed chunks directly. If we + * have a plain log, compress if we can, then send. Otherwise, send + * the plain text output. */ - if (use_zlib) - ret = fio_send_iolog_gz(first, log); - else { - struct sk_entry *entry; - - entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, log->log, - log->nr_samples * log_entry_sz(log), - NULL, SK_F_FREE | SK_F_VEC); - flist_add_tail(&entry->list, &first->next); - } + if (!flist_empty(&log->chunk_list)) + ret = fio_append_gz_chunks(first, log); + else if (use_zlib) + ret = fio_append_iolog_gz(first, log); + else + ret = fio_append_text_log(first, log); + fio_net_queue_entry(first); return ret; } @@ -1722,7 +1780,8 @@ void fio_server_send_add_job(struct thread_data *td) pdu.groupid = cpu_to_le32(td->groupid); convert_thread_options_to_net(&pdu.top, &td->o); - fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, SK_F_COPY); + fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, + SK_F_COPY); } void fio_server_send_start(struct thread_data *td) @@ -1758,7 +1817,8 @@ int fio_server_get_verify_state(const char *name, int threadnumber, verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, threadnumber); tag = (uint64_t) (uintptr_t) rep; - fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, SK_F_COPY); + fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, + SK_F_COPY); /* * Wait for the backend to receive the reply @@ -1769,7 +1829,8 @@ int fio_server_get_verify_state(const char *name, int threadnumber, } if (rep->error) { - log_err("fio: failure on receiving state file: %s\n", strerror(rep->error)); + log_err("fio: failure on receiving state file: %s\n", + strerror(rep->error)); fail: *datap = NULL; sfree(rep); diff --git a/server.h b/server.h index dc4a419..5a59d07 100644 --- a/server.h +++ b/server.h @@ -172,6 +172,11 @@ struct cmd_text_pdu { uint8_t buf[0]; }; +enum { + XMIT_COMPRESSED = 1U, + STORE_COMPRESSED = 2U, +}; + struct cmd_iolog_pdu { uint64_t nr_samples; uint32_t thread_number; -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html