#include <stdlib.h>
#include <libgen.h>
#include <assert.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#ifdef CONFIG_ZLIB
+#include <zlib.h>
+#endif
+
#include "flist.h"
#include "fio.h"
#include "verify.h"
#include "trim.h"
#include "filelock.h"
+#include "lib/tp.h"
static const char iolog_ver2[] = "fio version 2 iolog";
+#ifdef CONFIG_ZLIB
+
+struct iolog_compress {
+ struct flist_head list;
+ void *buf;
+ size_t len;
+ unsigned int seq;
+ int nofree;
+};
+
+#define GZ_CHUNK 131072
+
+static struct iolog_compress *get_new_chunk(unsigned int seq)
+{
+ struct iolog_compress *c;
+
+ c = malloc(sizeof(*c));
+ INIT_FLIST_HEAD(&c->list);
+ c->buf = malloc(GZ_CHUNK);
+ c->len = 0;
+ c->seq = seq;
+ c->nofree = 0;
+ return c;
+}
+
+static void free_chunk(struct iolog_compress *ic)
+{
+ if (!ic->nofree) {
+ free(ic->buf);
+ free(ic);
+ }
+}
+
+#endif
+
void queue_io_piece(struct thread_data *td, struct io_piece *ipo)
{
flist_add_tail(&ipo->list, &td->io_log_list);
return ret;
}
-void setup_log(struct io_log **log, unsigned long avg_msec, int log_type,
- int log_offset, const char *filename)
+void setup_log(struct io_log **log, struct log_params *p,
+ const char *filename)
{
struct io_log *l = malloc(sizeof(*l));
memset(l, 0, sizeof(*l));
l->nr_samples = 0;
l->max_samples = 1024;
- l->log_type = log_type;
- l->log_offset = log_offset;
+ l->log_type = p->log_type;
+ l->log_offset = p->log_offset;
+ l->log_gz = p->log_gz;
+ l->log_gz_store = p->log_gz_store;
l->log = malloc(l->max_samples * log_entry_sz(l));
- l->avg_msec = avg_msec;
+ l->avg_msec = p->avg_msec;
l->filename = strdup(filename);
+ l->td = p->td;
+
+ if (l->log_offset)
+ l->log_ddir_mask = 0x80000000;
+
+ INIT_FLIST_HEAD(&l->chunk_list);
+
+ if (l->log_gz && !p->td)
+ l->log_gz = 0;
+ else if (l->log_gz) {
+ pthread_mutex_init(&l->chunk_lock, NULL);
+ p->td->flags |= TD_F_COMPRESS_LOG;
+ }
+
*log = l;
}
}
#endif
-static void free_log(struct io_log *log)
+void free_log(struct io_log *log)
{
free(log->log);
free(log->filename);
free(log);
}
-void __finish_log(struct io_log *log)
+static void flush_samples(FILE *f, void *samples, uint64_t sample_size)
{
- uint64_t i;
- void *buf;
- FILE *f;
+ struct io_sample *s;
+ int log_offset;
+ uint64_t i, nr_samples;
- f = fopen(log->filename, "a");
- if (!f) {
- perror("fopen log");
+ if (!sample_size)
return;
- }
- buf = set_file_buffer(f);
+ s = __get_sample(samples, 0, 0);
+ if (s->__ddir & 0x80000000)
+ log_offset = 1;
+ else
+ log_offset = 0;
+
+ nr_samples = sample_size / __log_entry_sz(log_offset);
- for (i = 0; i < log->nr_samples; i++) {
- struct io_sample *s = get_sample(log, i);
+ for (i = 0; i < nr_samples; i++) {
+ s = __get_sample(samples, log_offset, i);
- if (!log->log_offset) {
+ if (!log_offset) {
fprintf(f, "%lu, %lu, %u, %u\n",
(unsigned long) s->time,
(unsigned long) s->val,
- s->ddir, s->bs);
+ io_sample_ddir(s), s->bs);
} else {
struct io_sample_offset *so = (void *) s;
fprintf(f, "%lu, %lu, %u, %u, %llu\n",
(unsigned long) s->time,
(unsigned long) s->val,
- s->ddir, s->bs,
+ io_sample_ddir(s), s->bs,
(unsigned long long) so->offset);
}
}
+}
+
+#ifdef CONFIG_ZLIB
+static int z_stream_init(z_stream *stream, int gz_hdr)
+{
+ int wbits = 15;
+
+ stream->zalloc = Z_NULL;
+ stream->zfree = Z_NULL;
+ stream->opaque = Z_NULL;
+ stream->next_in = Z_NULL;
+
+ if (gz_hdr)
+ wbits += 32;
+
+ if (inflateInit2(stream, wbits) != Z_OK)
+ return 1;
+
+ return 0;
+}
+
+struct flush_chunk_iter {
+ unsigned int seq;
+ void *buf;
+ size_t buf_size;
+ size_t buf_used;
+ size_t chunk_sz;
+};
+
+static void finish_chunk(z_stream *stream, FILE *f,
+ struct flush_chunk_iter *iter)
+{
+ int ret;
+
+ ret = inflateEnd(stream);
+ if (ret != Z_OK)
+ log_err("fio: failed to end log inflation (%d)\n", ret);
+
+ flush_samples(f, iter->buf, iter->buf_used);
+ free(iter->buf);
+ iter->buf = NULL;
+ iter->buf_size = iter->buf_used = 0;
+}
+
+static int flush_chunk(struct iolog_compress *ic, int gz_hdr, FILE *f,
+ z_stream *stream, struct flush_chunk_iter *iter)
+{
+ if (ic->seq != iter->seq) {
+ if (iter->seq)
+ finish_chunk(stream, f, iter);
+
+ z_stream_init(stream, gz_hdr);
+ iter->seq = ic->seq;
+ }
+
+ stream->avail_in = ic->len;
+ stream->next_in = ic->buf;
+
+ if (!iter->buf_size) {
+ iter->buf_size = iter->chunk_sz;
+ iter->buf = malloc(iter->buf_size);
+ }
+
+ while (stream->avail_in) {
+ size_t this_out = iter->buf_size - iter->buf_used;
+ int err;
+
+ stream->avail_out = this_out;
+ stream->next_out = iter->buf + iter->buf_used;
+
+ err = inflate(stream, Z_NO_FLUSH);
+ if (err < 0) {
+ log_err("fio: failed inflating log: %d\n", err);
+ break;
+ }
+
+ iter->buf_used += this_out - stream->avail_out;
+
+ if (!stream->avail_out) {
+ iter->buf_size += iter->chunk_sz;
+ iter->buf = realloc(iter->buf, iter->buf_size);
+ continue;
+ }
+
+ if (err == Z_STREAM_END)
+ break;
+ }
+
+ free_chunk(ic);
+ return 0;
+}
+
+static void flush_gz_chunks(struct io_log *log, FILE *f)
+{
+ struct flush_chunk_iter iter = { .chunk_sz = log->log_gz, };
+ struct flist_head *node;
+ z_stream stream;
+
+ while (!flist_empty(&log->chunk_list)) {
+ struct iolog_compress *ic;
+
+ node = log->chunk_list.next;
+ ic = flist_entry(node, struct iolog_compress, list);
+ flist_del(&ic->list);
+
+ if (log->log_gz_store) {
+ fwrite(ic->buf, ic->len, 1, f);
+ free_chunk(ic);
+ } else
+ flush_chunk(ic, log->log_gz_store, f, &stream, &iter);
+ }
+
+ if (iter.seq) {
+ finish_chunk(&stream, f, &iter);
+ free(iter.buf);
+ }
+}
+
+int iolog_file_inflate(const char *file)
+{
+ struct flush_chunk_iter iter = { .chunk_sz = 64 * 1024 * 1024, };
+ struct iolog_compress ic;
+ z_stream stream;
+ struct stat sb;
+ size_t ret;
+ FILE *f;
+
+ if (stat(file, &sb) < 0) {
+ perror("stat");
+ return 1;
+ }
+
+ f = fopen(file, "r");
+ if (!f) {
+ perror("fopen");
+ return 1;
+ }
+
+ ic.buf = malloc(sb.st_size);
+ ic.len = sb.st_size;
+ ic.nofree = 1;
+ ic.seq = 1;
+
+ ret = fread(ic.buf, ic.len, 1, f);
+ if (ret < 0) {
+ perror("fread");
+ fclose(f);
+ return 1;
+ } else if (ret != 1) {
+ log_err("fio: short read on reading log\n");
+ fclose(f);
+ return 1;
+ }
+
+ fclose(f);
+
+ flush_chunk(&ic, 1, stdout, &stream, &iter);
+
+ if (iter.seq) {
+ finish_chunk(&stream, stdout, &iter);
+ free(iter.buf);
+ }
+
+ free(ic.buf);
+ return 0;
+}
+
+#else
+
+static void flush_gz_chunks(struct io_log *log, FILE *f)
+{
+}
+
+#endif
+
+void flush_log(struct io_log *log)
+{
+ void *buf;
+ FILE *f;
+
+ f = fopen(log->filename, "w");
+ if (!f) {
+ perror("fopen log");
+ return;
+ }
+
+ buf = set_file_buffer(f);
+
+ flush_gz_chunks(log, f);
+
+ flush_samples(f, log->log, log->nr_samples * log_entry_sz(log));
fclose(f);
clear_file_buffer(buf);
- free_log(log);
}
static int finish_log(struct thread_data *td, struct io_log *log, int trylock)
{
+ if (td->tp_data)
+ iolog_flush(log, 1);
+
if (trylock) {
if (fio_trylock_file(log->filename))
return 1;
} else
fio_lock_file(log->filename);
- if (td->client_type == FIO_CLIENT_TYPE_GUI) {
+ if (td->client_type == FIO_CLIENT_TYPE_GUI)
fio_send_iolog(td, log, log->filename);
- free_log(log);
- } else
- __finish_log(log);
+ else
+ flush_log(log);
fio_unlock_file(log->filename);
+ free_log(log);
return 0;
}
+#ifdef CONFIG_ZLIB
+
+struct iolog_flush_data {
+ struct tp_work work;
+ struct io_log *log;
+ void *samples;
+ uint64_t nr_samples;
+};
+
+static int gz_work(struct tp_work *work)
+{
+ struct iolog_flush_data *data;
+ struct iolog_compress *c;
+ struct flist_head list;
+ unsigned int seq;
+ z_stream stream;
+ size_t total = 0;
+ int ret, wbits;
+
+ INIT_FLIST_HEAD(&list);
+
+ data = container_of(work, struct iolog_flush_data, work);
+
+ stream.zalloc = Z_NULL;
+ stream.zfree = Z_NULL;
+ stream.opaque = Z_NULL;
+
+ /*
+ * Store gz header if storing to a file
+ */
+#if 0
+ wbits = 15;
+ if (data->log->log_gz_store)
+ wbits += 16;
+
+ ret = deflateInit2(&stream, Z_DEFAULT_COMPRESSION, Z_DEFLATED,
+ 31, 8, Z_DEFAULT_STRATEGY);
+#else
+ ret = deflateInit(&stream, Z_DEFAULT_COMPRESSION);
+#endif
+ if (ret != Z_OK) {
+ log_err("fio: failed to init gz stream\n");
+ return 0;
+ }
+
+ seq = ++data->log->chunk_seq;
+
+ stream.next_in = (void *) data->samples;
+ stream.avail_in = data->nr_samples * log_entry_sz(data->log);
+
+ do {
+ c = get_new_chunk(seq);
+ stream.avail_out = GZ_CHUNK;
+ stream.next_out = c->buf;
+ ret = deflate(&stream, Z_NO_FLUSH);
+ if (ret < 0) {
+ log_err("fio: deflate log (%d)\n", ret);
+ break;
+ }
+
+ c->len = GZ_CHUNK - stream.avail_out;
+ flist_add_tail(&c->list, &list);
+ total += c->len;
+ } while (stream.avail_in);
+
+ stream.next_out = c->buf + c->len;
+ stream.avail_out = GZ_CHUNK - c->len;
+
+ ret = deflate(&stream, Z_FINISH);
+ if (ret == Z_STREAM_END)
+ c->len = GZ_CHUNK - stream.avail_out;
+ else {
+ do {
+ c = get_new_chunk(seq);
+ stream.avail_out = GZ_CHUNK;
+ stream.next_out = c->buf;
+ ret = deflate(&stream, Z_FINISH);
+ c->len = GZ_CHUNK - stream.avail_out;
+ flist_add_tail(&c->list, &list);
+ } while (ret != Z_STREAM_END);
+ }
+
+ ret = deflateEnd(&stream);
+ if (ret != Z_OK)
+ log_err("fio: deflateEnd %d\n", ret);
+
+ free(data->samples);
+
+ if (!flist_empty(&list)) {
+ pthread_mutex_lock(&data->log->chunk_lock);
+ flist_splice_tail(&list, &data->log->chunk_list);
+ pthread_mutex_unlock(&data->log->chunk_lock);
+ }
+
+ if (work->wait) {
+ work->done = 1;
+ pthread_cond_signal(&work->cv);
+ } else
+ free(data);
+
+ return 0;
+}
+
+int iolog_flush(struct io_log *log, int wait)
+{
+ struct tp_data *tdat = log->td->tp_data;
+ struct iolog_flush_data *data;
+ size_t sample_size;
+
+ data = malloc(sizeof(*data));
+ if (!data)
+ return 1;
+
+ data->log = log;
+
+ sample_size = log->nr_samples * log_entry_sz(log);
+ data->samples = malloc(sample_size);
+ if (!data->samples) {
+ free(data);
+ return 1;
+ }
+
+ memcpy(data->samples, log->log, sample_size);
+ data->nr_samples = log->nr_samples;
+ data->work.fn = gz_work;
+ log->nr_samples = 0;
+
+ if (wait) {
+ pthread_mutex_init(&data->work.lock, NULL);
+ pthread_cond_init(&data->work.cv, NULL);
+ data->work.wait = 1;
+ } else
+ data->work.wait = 0;
+
+ tp_queue_work(tdat, &data->work);
+
+ if (wait) {
+ pthread_mutex_lock(&data->work.lock);
+ while (!data->work.done)
+ pthread_cond_wait(&data->work.cv, &data->work.lock);
+ pthread_mutex_unlock(&data->work.lock);
+ free(data);
+ }
+
+ return 0;
+}
+
+#else
+
+int iolog_flush(struct io_log *log, int wait)
+{
+ return 1;
+}
+
+#endif
+
static int write_iops_log(struct thread_data *td, int try)
{
struct io_log *log = td->iops_log;
projects / fio.git / blobdiff