#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 "verify.h"
#include "trim.h"
#include "filelock.h"
-#include "tp.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;
-};
-
-#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;
- return c;
-}
-
-static void free_chunk(struct iolog_compress *ic)
-{
- 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);
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 = 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)
free(log);
}
-static void flush_samples(FILE *f, void *samples, uint64_t nr_samples,
- int log_offset)
+static void flush_samples(FILE *f, void *samples, uint64_t sample_size)
{
- uint64_t i;
+ struct io_sample *s;
+ int log_offset;
+ uint64_t i, nr_samples;
+
+ if (!sample_size)
+ return;
+
+ 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 < nr_samples; i++) {
- struct io_sample *s = __get_sample(samples, log_offset, i);
+ s = __get_sample(samples, log_offset, i);
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)
+
+struct iolog_flush_data {
+ struct tp_work work;
+ struct io_log *log;
+ void *samples;
+ uint64_t nr_samples;
+};
+
+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);
+ }
+}
+
+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 (inflateInit(stream) != Z_OK)
+ if (gz_hdr)
+ wbits += 32;
+
+ if (inflateInit2(stream, wbits) != Z_OK)
return 1;
return 0;
size_t chunk_sz;
};
-static void finish_chunk(z_stream *stream, int log_offset, FILE *f,
+static void finish_chunk(z_stream *stream, FILE *f,
struct flush_chunk_iter *iter)
{
- uint64_t nr_samples;
int ret;
ret = inflateEnd(stream);
if (ret != Z_OK)
log_err("fio: failed to end log inflation (%d)\n", ret);
- nr_samples = iter->buf_used / __log_entry_sz(log_offset);
- flush_samples(f, iter->buf, nr_samples, log_offset);
+ 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 log_offset, FILE *f,
+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, log_offset, f, iter);
+ finish_chunk(stream, f, iter);
- z_stream_init(stream);
+ z_stream_init(stream, gz_hdr);
iter->seq = ic->seq;
}
}
while (stream->avail_in) {
+ size_t this_out = iter->buf_size - iter->buf_used;
int err;
- stream->avail_out = iter->buf_size - iter->buf_used;
+ stream->avail_out = this_out;
stream->next_out = iter->buf + iter->buf_used;
err = inflate(stream, Z_NO_FLUSH);
break;
}
- iter->buf_used += iter->buf_size - iter->buf_used - stream->avail_out;
+ 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);
node = log->chunk_list.next;
ic = flist_entry(node, struct iolog_compress, list);
flist_del(&ic->list);
- flush_chunk(ic, log->log_offset, f, &stream, &iter);
+
+ 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, log->log_offset, f, &iter);
+ 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;
+ ssize_t ret;
+ FILE *f;
+
+ f = fopen(file, "r");
+ if (!f) {
+ perror("fopen");
+ return 1;
+ }
+
+ if (stat(file, &sb) < 0) {
+ fclose(f);
+ perror("stat");
+ 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)
flush_gz_chunks(log, f);
- flush_samples(f, log->log, log->nr_samples, log->log_offset);
+ flush_samples(f, log->log, log->nr_samples * log_entry_sz(log));
fclose(f);
clear_file_buffer(buf);
#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;
stream.zfree = Z_NULL;
stream.opaque = Z_NULL;
- if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) {
+ ret = deflateInit(&stream, Z_DEFAULT_COMPRESSION);
+ 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);
int iolog_flush(struct io_log *log, int wait)
{
- struct thread_data *td = log->td;
+ struct tp_data *tdat = log->td->tp_data;
struct iolog_flush_data *data;
size_t sample_size;
} else
data->work.wait = 0;
- tp_queue_work(td->tp_data, &data->work);
+ tp_queue_work(tdat, &data->work);
if (wait) {
pthread_mutex_lock(&data->work.lock);