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#3631 sp_BlitzFirst add thread time #3634

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Merged
BrentOzar merged 1 commit into from
Apr 15, 2025
Merged

#3631 sp_BlitzFirst add thread time #3634

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5 changes: 3 additions & 2 deletions Documentation/sp_BlitzFirst_Checks_by_Priority.md
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Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,8 @@ Before adding a new check, make sure to add a Github issue for it first, and hav

If you want to change anything about a check - the priority, finding, URL, or ID - open a Github issue first. The relevant scripts have to be updated too.

CURRENT HIGH CHECKID: 49
If you want to add a new check, start at 50.
CURRENT HIGH CHECKID: 50
If you want to add a new check, start at 51.

| Priority | FindingsGroup | Finding | URL | CheckID |
|----------|---------------------------------|---------------------------------------|-------------------------------------------------|----------|
Expand Down Expand Up @@ -58,4 +58,5 @@ If you want to add a new check, start at 50.
| 251 | Server Info | Database Count | | 22 |
| 251 | Server Info | Database Size, Total GB | | 21 |
| 251 | Server Info | Memory Grant/Workspace info | | 40 |
| 251 | Server Info | Thread Time | https://www.brentozar.com/go/threadtime | 50 |
| 254 | Informational | Thread Time Inaccurate | | 48 |
29 changes: 29 additions & 0 deletions sp_BlitzFirst.sql
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Expand Up @@ -2021,6 +2021,7 @@ If one of them is a lead blocker, consider killing that query.'' AS HowToStopit,
FROM sys.databases
WHERE database_id > 4;


/* Server Info - Memory Grants pending - CheckID 39 */
IF (@Debug = 1)
BEGIN
Expand Down Expand Up @@ -3325,6 +3326,34 @@ If one of them is a lead blocker, consider killing that query.'' AS HowToStopit,
OR max_session_percent >= 90);
END

/* Server Info - Thread Time - CheckID 50 */
IF (@Debug = 1)
BEGIN
RAISERROR('Running CheckID 50',10,1) WITH NOWAIT;
END

;WITH max_batch AS (
SELECT MAX(SampleTime) AS SampleTime
FROM #WaitStats
)
INSERT INTO #BlitzFirstResults (CheckID, Priority, FindingsGroup, Finding, Details, DetailsInt, URL)
SELECT TOP 1 50 AS CheckID,
251 AS Priority,
'Server Info' AS FindingGroup,
'Thread Time' AS Finding,
CAST(CAST(c.[Total Thread Time (Seconds)] AS DECIMAL(18,1)) AS VARCHAR(100)) AS Details,
CAST(c.[Total Thread Time (Seconds)] AS DECIMAL(18,1)) AS DetailsInt,
'https://www.brentozar.com/go/threadtime' AS URL
FROM max_batch b
JOIN #WaitStats wd2 ON
wd2.SampleTime =b.SampleTime
JOIN #WaitStats wd1 ON
wd1.wait_type=wd2.wait_type AND
wd2.SampleTime > wd1.SampleTime
CROSS APPLY (SELECT
CAST((wd2.thread_time_ms - wd1.thread_time_ms)/1000. AS DECIMAL(18,1)) AS [Total Thread Time (Seconds)]
) AS c;

/* Server Info - Batch Requests per Sec - CheckID 19 */
IF (@Debug = 1)
BEGIN
Expand Down
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