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ddcutil istats
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FORMAT 2 | |
* DEV /dev/i2c device | |
* EC EDID check sum byte | |
* C current step | |
* I interval remaining | |
* L current lookback | |
* DEV EC C I L Values | |
* Values {tries required, step, epoch seconds} | |
i2c-4 46 10 3 5 | |
i2c-5 98 6 3 20 {1,7,1698778968} {1,7,1698778968} {1,7,1698778975} {1,7,1698778975} {1,7,1698778981} {1,7,1698778981} {1,7,1698778985} {1,7,1698778985} {1,7,1698778989} {1,7,1698778989} {1,7,1698778994} {1,7,1698778994} {1,7,1698779028} {1,7,1698779028} {1,7,1698779033} {1,7,1698779033} {1,7,1698779068} {1,7,1698779068} {1,7,1698779086} {1,7,1698779086} | |
i2c-7 46 10 3 5 | |
i2c-8 98 7 3 5 {1,7,1698748279} {1,7,1698748280} {1,7,1698748285} {1,7,1698748286} {1,7,1698748292} {1,7,1698748293} {1,7,1698748299} {1,7,1698748299} {1,7,1698748305} {1,7,1698748305} {1,7,1698748311} {1,7,1698748312} {1,7,1698748318} {1,7,1698748318} {1,7,1698748324} {1,7,1698748325} {1,7,1698748331} {1,7,1698748331} {1,7,1698748337} {1,7,1698748338} | |
i2c-10 98 0 3 5 {1,0,1698779031} {1,0,1698779031} {1,0,1698779031} {1,0,1698779033} {1,0,1698779033} {1,0,1698779033} {1,0,1698779063} {1,0,1698779063} {1,0,1698779063} {1,0,1698779063} {1,0,1698779068} {1,0,1698779068} {1,0,1698779068} {1,0,1698779081} {1,0,1698779081} {1,0,1698779081} {1,0,1698779081} {1,0,1698779086} {1,0,1698779086} {1,0,1698779086} |
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EXECUTION STATISTICS | |
Maxtries Settings: | |
Operation Type Current Default Min Max | |
Write only exchange tries: 4 4 4 4 | |
Write read exchange tries: 10 4 10 10 | |
Multi-part read exchange tries: 8 4 8 8 | |
Multi-part_write exchange tries: 8 4 8 8 | |
Retry statistics for write only | |
No tries attempted | |
Retry statistics for write-read | |
Max tries allowed: 10 | |
Successful attempts by number of tries required: | |
1: 5 | |
Total successful attempts: 5 | |
Failed due to max tries exceeded: 1 | |
Failed due to fatal error: 1 | |
Total attempts: 7 | |
Retry statistics for multi-part read | |
No tries attempted | |
Retry statistics for multi-part write | |
No tries attempted | |
DDC Related Errors: | |
Count Status Code Description | |
10 EREMOTEIO ( -121) Remote I/O error | |
4 DDCRC_NULL_RESPONSE (-3002) received DDC null response | |
1 DDCRC_RETRIES (-3007) maximum retries exceeded (derived) | |
1 DDCRC_ALL_RESPONSES_NULL (-3011) all tries returned DDC Null Message | |
Total errors: 16 | |
Errors Wrapped in Retry: | |
Count Status Code Description | |
10 EREMOTEIO ( -121) Remote I/O error | |
4 DDCRC_NULL_RESPONSE (-3002) received DDC null response | |
Total errors: 14 | |
IO and Sleep Events: | |
Total IO events: 68 | |
IO error count: 16 | |
Total sleep events: 18 | |
Sleep Event type Count | |
SE_WRITE_TO_READ 9 | |
SE_POST_WRITE 0 | |
SE_POST_READ 9 | |
SE_POST_SAVE_SETTINGS 0 | |
SE_PRE_MULTI_PART_READ 0 | |
SE_POST_CAP_TABLE_SEGMENT 0 | |
SE_SPECIAL 0 | |
Call Stats: | |
Type Count Millisec ( Nanosec) | |
i2c writes using ioctl (I2_IOCTL_WRITE) 33 460 ( 460293803) | |
i2c reads using ioctl (I2_IOCTL_READ) 13 230 ( 230494243) | |
open file calls (IE_OPEN) 11 0 ( 47757) | |
close file calls (IE_CLOSE) 11 0 ( 25748) | |
Totals: 68 690 ( 690861551) | |
Sleep Call Stats: | |
Total sleep calls: 12 | |
Requested sleep time milliseconds : 472 | |
Actual sleep milliseconds (nanosec): 478 ( 478571114) | |
Total elapsed milliseconds (nanoseconds): 1186 ( 1186727924) | |
Total non sleep system call time: 690 milliseconds | |
Total sleep call time: 478 milliseconds | |
Elapsed time: 1186 milliseconds | |
PER-DISPLAY EXECUTION STATISTICS | |
Per display retry data | |
Retry data for display on bus /dev/i2c-4: | |
Retry data for write only tries: No tries attempted | |
Retry data for write-read tries | |
Successful attempts by number of tries required: | |
None | |
Total successful: 0 | |
Failed due to max tries exceeded: 1 | |
Failed due to fatal error: 0 | |
Total attempts: 1 | |
Retry data for multi-part read tries: No tries attempted | |
Retry data for multi-part write tries: No tries attempted | |
Retry data for display on bus /dev/i2c-5: | |
Retry data for write only tries: No tries attempted | |
Retry data for write-read tries | |
Successful attempts by number of tries required: | |
1: 2 | |
Total successful: 2 | |
Failed due to max tries exceeded: 0 | |
Failed due to fatal error: 1 | |
Total attempts: 3 | |
Retry data for multi-part read tries: No tries attempted | |
Retry data for multi-part write tries: No tries attempted | |
Retry data for display on bus /dev/i2c-10: | |
Retry data for write only tries: No tries attempted | |
Retry data for write-read tries | |
Successful attempts by number of tries required: | |
1: 3 | |
Total successful: 3 | |
Failed due to max tries exceeded: 0 | |
Failed due to fatal error: 0 | |
Total attempts: 3 | |
Retry data for multi-part read tries: No tries attempted | |
Retry data for multi-part write tries: No tries attempted | |
No per-display status code statistics are collected | |
No per-display call statistics are collected | |
Per display elapsed time | |
Elapsed time report for display bus /dev/i2c-4 | |
User sleep multiplier factor: 1.00 Implicit | |
Initial adjusted multiplier: 2.00 from cache | |
Final adjusted multiplier: Not set | |
Total sleep time (milliseconds): 0 | |
Dynamic sleep algorithm 2 data for /dev/i2c-4: | |
Initial Step: 10, multiplier = 2.00 | |
Final Step: 10, multiplier = 2.00 | |
Initial lookback ct: 5 | |
absolute_step_ct: 11 | |
dsa2_step_floor 0 | |
step_last: 10 | |
Final lookback ct: 5 | |
Adjustment interval: 3 | |
Adjustments up: 0 | |
Total steps up: 0 | |
Adjustments down: 0 | |
Total steps down: 0 | |
Successes: 0 | |
Retryable Failures: 9 | |
Elapsed time report for display bus /dev/i2c-5 | |
User sleep multiplier factor: 1.00 Implicit | |
Initial adjusted multiplier: 0.70 from cache | |
Final adjusted multiplier: 0.70 | |
Total sleep time (milliseconds): 472 | |
Dynamic sleep algorithm 2 data for /dev/i2c-5: | |
Initial Step: 7, multiplier = 1.00 | |
Final Step: 6, multiplier = 0.70 | |
Initial lookback ct: 5 | |
absolute_step_ct: 11 | |
dsa2_step_floor 0 | |
step_last: 10 | |
Final lookback ct: 20 | |
Adjustment interval: 3 | |
Adjustments up: 1 | |
Total steps up: 1 | |
Adjustments down: 4 | |
Total steps down: 4 | |
Successes: 2 | |
Retryable Failures: 3 | |
Elapsed time report for display bus /dev/i2c-10 | |
User sleep multiplier factor: 1.00 Implicit | |
Initial adjusted multiplier: 0.00 from cache | |
Final adjusted multiplier: 0.00 | |
Total sleep time (milliseconds): 0 | |
Dynamic sleep algorithm 2 data for /dev/i2c-10: | |
Initial Step: 0, multiplier = 0.00 | |
Final Step: 0, multiplier = 0.00 | |
Initial lookback ct: 5 | |
absolute_step_ct: 11 | |
dsa2_step_floor 0 | |
step_last: 10 | |
Final lookback ct: 5 | |
Adjustment interval: 3 | |
Adjustments up: 0 | |
Total steps up: 0 | |
Adjustments down: 0 | |
Total steps down: 0 | |
Successes: 3 | |
Retryable Failures: 0 | |
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