The following changes since commit 4d2707ef027cc5b2418ab5de622318e0f70c096a: blktrace: fix leak of 'merge_buf' (2018-09-20 14:25:56 -0600) are available in the git repository at: git://git.kernel.dk/fio.git master for you to fetch changes up to 843c6b5e081900394da002b45253e541b794ac54: Merge branch 'steadystate-doc' of https://github.com/vincentkfu/fio (2018-09-21 09:50:07 -0600) ---------------------------------------------------------------- Jens Axboe (2): engines/http: work-around crash in certain libssl versions Merge branch 'steadystate-doc' of https://github.com/vincentkfu/fio Vincent Fu (1): docs: clarify usage of steadystate detection feature HOWTO | 4 ++++ engines/http.c | 2 ++ fio.1 | 6 ++++++ 3 files changed, 12 insertions(+) --- Diff of recent changes: diff --git a/HOWTO b/HOWTO index 45cf0bd..9528904 100644 --- a/HOWTO +++ b/HOWTO @@ -3000,6 +3000,10 @@ Steady state data from the rolling collection window. Threshold limits can be expressed as a fixed value or as a percentage of the mean in the collection window. + When using this feature, most jobs should include the :option:`time_based` + and :option:`runtime` options or the :option:`loops` option so that fio does not + stop running after it has covered the full size of the specified file(s) or device(s). + **iops** Collect IOPS data. Stop the job if all individual IOPS measurements are within the specified limit of the mean IOPS (e.g., ``iops:2`` diff --git a/engines/http.c b/engines/http.c index 93fcd0d..d81e428 100644 --- a/engines/http.c +++ b/engines/http.c @@ -273,6 +273,8 @@ static void _hmac(unsigned char *md, void *key, int key_len, char *data) { ctx = HMAC_CTX_new(); #else ctx = &_ctx; + /* work-around crash in certain versions of libssl */ + HMAC_CTX_init(ctx); #endif HMAC_Init_ex(ctx, key, key_len, EVP_sha256(), NULL); HMAC_Update(ctx, (unsigned char*)data, strlen(data)); diff --git a/fio.1 b/fio.1 index 81164ae..5c11d96 100644 --- a/fio.1 +++ b/fio.1 @@ -2671,6 +2671,12 @@ steady state assessment criteria. All assessments are carried out using only data from the rolling collection window. Threshold limits can be expressed as a fixed value or as a percentage of the mean in the collection window. .RS +.P +When using this feature, most jobs should include the \fBtime_based\fR +and \fBruntime\fR options or the \fBloops\fR option so that fio does not +stop running after it has covered the full size of the specified file(s) +or device(s). +.RS .RS .TP .B iops
