Messages in this thread Patch in this message | | | From | ira.weiny@intel ... | Subject | [PATCH 11/11] cxl/test: Simulate event log overflow | Date | Thu, 10 Nov 2022 10:57:58 -0800 |
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From: Ira Weiny <ira.weiny@intel.com>
Log overflow is marked by a separate trace message.
Simulate a log with lots of messages and flag overflow until it is drained a bit.
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
--- Changes from RFC Adjust for new struct changes --- tools/testing/cxl/test/events.c | 37 +++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+)
diff --git a/tools/testing/cxl/test/events.c b/tools/testing/cxl/test/events.c index 8693f3fb9cbb..5ce257114f4e 100644 --- a/tools/testing/cxl/test/events.c +++ b/tools/testing/cxl/test/events.c @@ -69,11 +69,21 @@ static void event_store_add_event(struct mock_event_store *mes, log->nr_events++; } +static u16 log_overflow(struct mock_event_log *log) +{ + int cnt = log_rec_left(log) - 5; + + if (cnt < 0) + return 0; + return cnt; +} + int mock_get_event(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd) { struct cxl_get_event_payload *pl; struct mock_event_log *log; u8 log_type; + u16 nr_overflow; /* Valid request? */ if (cmd->size_in != sizeof(log_type)) @@ -95,6 +105,20 @@ int mock_get_event(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd) if (log_rec_left(log) > 1) pl->flags |= CXL_GET_EVENT_FLAG_MORE_RECORDS; + nr_overflow = log_overflow(log); + if (nr_overflow) { + u64 ns; + + pl->flags |= CXL_GET_EVENT_FLAG_OVERFLOW; + pl->overflow_err_count = cpu_to_le16(nr_overflow); + ns = ktime_get_real_ns(); + ns -= 5000000000; /* 5s ago */ + pl->first_overflow_timestamp = cpu_to_le64(ns); + ns = ktime_get_real_ns(); + ns -= 1000000000; /* 1s ago */ + pl->last_overflow_timestamp = cpu_to_le64(ns); + } + memcpy(&pl->record[0], get_cur_event(log), sizeof(pl->record[0])); pl->record[0].hdr.handle = get_cur_event_handle(log); return 0; @@ -274,6 +298,19 @@ u32 cxl_mock_add_event_logs(struct cxl_dev_state *cxlds) (struct cxl_event_record_raw *)&mem_module); mes->ev_status |= CXLDEV_EVENT_STATUS_INFO; + event_store_add_event(mes, CXL_EVENT_TYPE_FAIL, &maint_needed); + event_store_add_event(mes, CXL_EVENT_TYPE_FAIL, &hardware_replace); + event_store_add_event(mes, CXL_EVENT_TYPE_FAIL, + (struct cxl_event_record_raw *)&dram); + event_store_add_event(mes, CXL_EVENT_TYPE_FAIL, + (struct cxl_event_record_raw *)&gen_media); + event_store_add_event(mes, CXL_EVENT_TYPE_FAIL, + (struct cxl_event_record_raw *)&mem_module); + event_store_add_event(mes, CXL_EVENT_TYPE_FAIL, &hardware_replace); + event_store_add_event(mes, CXL_EVENT_TYPE_FAIL, + (struct cxl_event_record_raw *)&dram); + mes->ev_status |= CXLDEV_EVENT_STATUS_FAIL; + event_store_add_event(mes, CXL_EVENT_TYPE_FATAL, &hardware_replace); event_store_add_event(mes, CXL_EVENT_TYPE_FATAL, (struct cxl_event_record_raw *)&dram); -- 2.37.2
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