dumpstate: Better format for dumping block stat
After CL the format looks like:
------ BLOCK STAT (/sys/block/mmcblk0) ------
Block-Dev : R-IOs R-merg R-sect R-wait W-IOs W-merg W-sect W-wait in-fli activ T-wait
/mmcblk0/stat : 11299 16093
1262592 31863 3895 2968 63232 6463 0 10260 38243
/mmcblk0/stat : perf(ios) rd: 75622KB/s(1322/s) wr: 18671KB/s(2246/s) q: 4
Block-Dev : R-IOs R-merg R-sect R-wait W-IOs W-merg W-sect W-wait in-fli activ T-wait
/mmcblk0/mmcblk0p1/stat : 37 29 66 6 0 0 0 0 0 6 6
/mmcblk0/mmcblk0p1/stat : perf(ios) rd: 5632KB/s(6167/s) q: 1
Block-Dev : R-IOs R-merg R-sect R-wait W-IOs W-merg W-sect W-wait in-fli activ T-wait
/mmcblk0/mmcblk0p24/stat : 12 32 346 0 1 0 8 0 0 0 0
Block-Dev : R-IOs R-merg R-sect R-wait W-IOs W-merg W-sect W-wait in-fli activ T-wait
/mmcblk0/mmcblk0p26/stat : 0 0 0 0 3 381 3072 296 0 100 296
/mmcblk0/mmcblk0p26/stat : perf(ios) rd: 0KB/s(0/s) wr: 15729KB/s(30/s) q: 3
Block-Dev : R-IOs R-merg R-sect R-wait W-IOs W-merg W-sect W-wait in-fli activ T-wait
/mmcblk0/mmcblk0p30/stat : 11 33 352 23 0 0 0 0 0 23 23
/mmcblk0/mmcblk0p30/stat : perf(ios) rd: 7836KB/s(478/s) q: 1
Block-Dev : R-IOs R-merg R-sect R-wait W-IOs W-merg W-sect W-wait in-fli activ T-wait
/mmcblk0/mmcblk0p38/stat : 1 3 32 0 0 0 0 0 0 0 0
Block-Dev : R-IOs R-merg R-sect R-wait W-IOs W-merg W-sect W-wait in-fli activ T-wait
/mmcblk0/mmcblk0p39/stat : 816 1072 47000 3460 0 0 0 0 0 273 3460
/mmcblk0/mmcblk0p39/stat : perf(ios) rd: 88147KB/s(2989/s) q: 13
Block-Dev : R-IOs R-merg R-sect R-wait W-IOs W-merg W-sect W-wait in-fli activ T-wait
/mmcblk0/mmcblk0p40/stat : 17 13 228 0 4 0 32 3 0 3 3
/mmcblk0/mmcblk0p40/stat : perf(ios) rd: 0KB/s(0/s) wr: 5461KB/s(1333/s) q: 1
Block-Dev : R-IOs R-merg R-sect R-wait W-IOs W-merg W-sect W-wait in-fli activ T-wait
/mmcblk0/mmcblk0p41/stat : 4831 14319 453376 17336 0 0 0 0 0 3273 17330
/mmcblk0/mmcblk0p41/stat : perf(ios) rd: 70898KB/s(1476/s) q: 5
Block-Dev : R-IOs R-merg R-sect R-wait W-IOs W-merg W-sect W-wait in-fli activ T-wait
/mmcblk0/mmcblk0p42/stat : 8 124 1056 3 0 0 0 0 0 3 3
/mmcblk0/mmcblk0p42/stat : perf(ios) rd: 180224KB/s(2667/s) q: 1
Block-Dev : R-IOs R-merg R-sect R-wait W-IOs W-merg W-sect W-wait in-fli activ T-wait
/mmcblk0/mmcblk0p45/stat : 5560 468 760088 11033 3046 2587 60120 5490 0 6840 16453
Bug:
62319771
Test: adb bugreport and check the result
Change-Id: I9464c4758f03479d433bdb7a907dd4953f226e1e