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* qos-test is annoyingly noisy
@ 2025-07-23 14:28 Markus Armbruster
  2025-07-23 16:38 ` Paolo Bonzini
  0 siblings, 1 reply; 4+ messages in thread
From: Markus Armbruster @ 2025-07-23 14:28 UTC (permalink / raw)
  To: Alex Bennée; +Cc: qemu-devel

Noise starting with "stdout: " has been polluting output of "make check"
for a while.  I traced it to qos-test.  Output of "make
check-qtest-aarch64" appended as an example.

Blessed silence if I revert commit 30ea13e9d97d (tests/qtest: use
qos_printf instead of g_test_message).

Alex, what shall we do here?



make: Entering directory '/work/armbru/qemu/bld'
[1/8] Generating qemu-version.h with a custom command (wrapped by meson to capture output)
/work/armbru/qemu/bld/pyvenv/bin/meson test  --no-rebuild -t 1  --num-processes 14 --print-errorlogs  --suite qtest-aarch64
 1/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/cdrom-test                        SKIP             0.11s
 2/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/tpm-tis-device-swtpm-test         SKIP             0.05s   0 subtests passed
 3/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/tpm-tis-device-test               OK               0.28s   5 subtests passed
 4/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/bcm2835-dma-test                  OK               0.25s   1 subtests passed
 5/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/fuzz-xlnx-dp-test                 OK               0.59s   1 subtests passed
 6/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/bcm2835-i2c-test                  OK               0.38s   3 subtests passed
 7/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/boot-serial-test                  OK               0.85s   1 subtests passed
 8/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/xlnx-versal-trng-test             OK               1.06s   5 subtests passed
 9/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/tpm-tis-i2c-test                  OK               1.39s   6 subtests passed
10/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/cxl-test                          OK               0.39s   1 subtests passed
11/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/ast2700-gpio-test                 OK               1.60s   2 subtests passed
12/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/npcm_gmac-test                    OK               1.47s   4 subtests passed
13/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/xlnx-canfd-test                   OK               2.79s   3 subtests passed
14/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/machine-none-test                 OK               0.31s   1 subtests passed
15/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/xlnx-can-test                     OK               3.04s   5 subtests passed
16/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/ast2700-smc-test                  OK               2.30s   8 subtests passed
17/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/vnc-display-test                  OK               0.23s   1 subtests passed
18/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/readconfig-test                   OK               0.45s   2 subtests passed
19/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/arm-cpu-features                  OK               1.58s   3 subtests passed
20/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/qmp-test                          OK               0.94s   4 subtests passed
21/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/numa-test                         OK               1.67s   5 subtests passed
22/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/ast2700-hace-test                 OK               5.64s   11 subtests passed
23/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/netdev-socket                     OK               4.82s   10 subtests passed
24/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/device-introspect-test            OK               8.26s   6 subtests passed
25/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/qmp-cmd-test                      OK              13.96s   66 subtests passed
26/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/migration-test                    OK              24.48s   9 subtests passed
27/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/qos-test                          OK              36.70s   128 subtests passed

stdout: 138: UNKNOWN:     # # qos_test running single test in subprocess
stdout: 139: UNKNOWN:     # # set_protocol_features: 0x42
stdout: 140: UNKNOWN:     # # set_owner: start of session
stdout: 141: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 142: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 143: UNKNOWN:     # # set_vring(0)=enabled
stdout: 144: UNKNOWN:     # # set_vring(1)=enabled
stdout: 145: UNKNOWN:     # # set_vring(0)=enabled
stdout: 146: UNKNOWN:     # # set_vring(1)=enabled
stdout: 147: UNKNOWN:     # # set_vring(0)=enabled
stdout: 148: UNKNOWN:     # # set_vring(1)=enabled
stdout: 149: UNKNOWN:     # # set_vring(0)=enabled
stdout: 150: UNKNOWN:     # # set_vring(1)=enabled
stdout: 151: UNKNOWN:     # # set_vring(0)=enabled
stdout: 152: UNKNOWN:     # # set_vring(1)=enabled
stdout: 153: UNKNOWN:     # # set_vring_num: 0/256
stdout: 154: UNKNOWN:     # # set_vring_addr: 0x7f9060000000/0x7f905ffff000/0x7f9060001000
stdout: 156: UNKNOWN:     # # qos_test running single test in subprocess
stdout: 157: UNKNOWN:     # # set_protocol_features: 0x42
stdout: 158: UNKNOWN:     # # set_owner: start of session
stdout: 159: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 160: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 161: UNKNOWN:     # # set_vring(0)=enabled
stdout: 162: UNKNOWN:     # # set_vring(1)=enabled
stdout: 163: UNKNOWN:     # # set_vring(0)=enabled
stdout: 164: UNKNOWN:     # # set_vring(1)=enabled
stdout: 165: UNKNOWN:     # # set_vring(0)=enabled
stdout: 166: UNKNOWN:     # # set_vring(1)=enabled
stdout: 167: UNKNOWN:     # # set_vring(0)=enabled
stdout: 168: UNKNOWN:     # # set_vring(1)=enabled
stdout: 169: UNKNOWN:     # # set_vring(0)=enabled
stdout: 170: UNKNOWN:     # # set_vring(1)=enabled
stdout: 171: UNKNOWN:     # # set_vring_num: 0/256
stdout: 172: UNKNOWN:     # # set_vring_addr: 0x7f1834000000/0x7f1833fff000/0x7f1834001000
stdout: 175: UNKNOWN:     # # qos_test running single test in subprocess
stdout: 176: UNKNOWN:     # # set_protocol_features: 0x42
stdout: 177: UNKNOWN:     # # set_owner: start of session
stdout: 178: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 179: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 180: UNKNOWN:     # # set_protocol_features: 0x42
stdout: 181: UNKNOWN:     # # set_owner: start of session
stdout: 182: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 183: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 184: UNKNOWN:     # # set_vring(0)=enabled
stdout: 185: UNKNOWN:     # # set_vring(1)=enabled
stdout: 186: UNKNOWN:     # # set_vring(0)=enabled
stdout: 187: UNKNOWN:     # # set_vring(1)=enabled
stdout: 188: UNKNOWN:     # # set_vring(0)=enabled
stdout: 189: UNKNOWN:     # # set_vring(1)=enabled
stdout: 190: UNKNOWN:     # # set_vring(0)=enabled
stdout: 191: UNKNOWN:     # # set_vring(1)=enabled
stdout: 192: UNKNOWN:     # # set_vring(0)=enabled
stdout: 193: UNKNOWN:     # # set_vring(1)=enabled
stdout: 194: UNKNOWN:     # # set_vring_num: 0/256
stdout: 195: UNKNOWN:     # # set_vring_addr: 0x7fba24000000/0x7fba23fff000/0x7fba24001000
stdout: 196: UNKNOWN:     # # set_vring_num: 1/256
stdout: 197: UNKNOWN:     # # set_vring_addr: 0x7fba24003000/0x7fba24002000/0x7fba24004000
stdout: 200: UNKNOWN:     # # qos_test running single test in subprocess
stdout: 201: UNKNOWN:     # # set_protocol_features: 0x42
stdout: 202: UNKNOWN:     # # set_owner: start of session
stdout: 203: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 204: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 205: UNKNOWN:     # # set_vring(0)=enabled
stdout: 206: UNKNOWN:     # # set_vring(1)=enabled
stdout: 207: UNKNOWN:     # # set_vring(0)=enabled
stdout: 208: UNKNOWN:     # # set_vring(1)=enabled
stdout: 209: UNKNOWN:     # # set_vring(0)=enabled
stdout: 210: UNKNOWN:     # # set_vring(1)=enabled
stdout: 211: UNKNOWN:     # # set_vring(0)=enabled
stdout: 212: UNKNOWN:     # # set_vring(1)=enabled
stdout: 213: UNKNOWN:     # # set_vring(0)=enabled
stdout: 214: UNKNOWN:     # # set_vring(1)=enabled
stdout: 215: UNKNOWN:     # # set_owner: start of session
stdout: 216: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 217: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 218: UNKNOWN:     # # set_protocol_features: 0x42
stdout: 219: UNKNOWN:     # # set_owner: start of session
stdout: 220: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 221: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 222: UNKNOWN:     # # set_vring(0)=enabled
stdout: 223: UNKNOWN:     # # set_vring(1)=enabled
stdout: 224: UNKNOWN:     # # set_vring_num: 0/256
stdout: 227: UNKNOWN:     # # qos_test running single test in subprocess
stdout: 228: UNKNOWN:     # # set_protocol_features: 0x43
stdout: 229: UNKNOWN:     # # set_owner: start of session
stdout: 230: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 231: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 232: UNKNOWN:     # # set_protocol_features: 0x43
stdout: 233: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 234: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 235: UNKNOWN:     # # set_vring(0)=enabled
stdout: 236: UNKNOWN:     # # set_vring(1)=enabled
stdout: 237: UNKNOWN:     # # set_vring(2)=disabled
stdout: 238: UNKNOWN:     # # set_vring(3)=disabled
stdout: 239: UNKNOWN:     # # set_vring(0)=enabled
stdout: 240: UNKNOWN:     # # set_vring(1)=enabled
stdout: 241: UNKNOWN:     # # set_vring(2)=disabled
stdout: 242: UNKNOWN:     # # set_vring(3)=disabled
stdout: 243: UNKNOWN:     # # set_vring(0)=enabled
stdout: 244: UNKNOWN:     # # set_vring(1)=enabled
stdout: 245: UNKNOWN:     # # set_vring(2)=disabled
stdout: 246: UNKNOWN:     # # set_vring(3)=disabled
stdout: 247: UNKNOWN:     # # set_vring(0)=enabled
stdout: 248: UNKNOWN:     # # set_vring(1)=enabled
stdout: 249: UNKNOWN:     # # set_vring(2)=disabled
stdout: 250: UNKNOWN:     # # set_vring(3)=disabled
stdout: 251: UNKNOWN:     # # set_vring(0)=enabled
stdout: 252: UNKNOWN:     # # set_vring(1)=enabled
stdout: 253: UNKNOWN:     # # set_vring_num: 0/256
stdout: 254: UNKNOWN:     # # set_vring_addr: 0x7f46e0000000/0x7f46dffff000/0x7f46e0001000
stdout: 255: UNKNOWN:     # # set_vring_num: 1/256
stdout: 256: UNKNOWN:     # # set_vring_addr: 0x7f46e0003000/0x7f46e0002000/0x7f46e0004000
stdout: 257: UNKNOWN:     # # set_vring_num: 2/256
stdout: 258: UNKNOWN:     # # set_vring_addr: 0x7f46e0006000/0x7f46e0005000/0x7f46e0007000
stdout: 259: UNKNOWN:     # # set_vring_num: 3/256
stdout: 260: UNKNOWN:     # # set_vring_addr: 0x7f46e0009000/0x7f46e0008000/0x7f46e000a000
stdout: 264: UNKNOWN:     # # qos_test running single test in subprocess
stdout: 265: UNKNOWN:     # # set_protocol_features: 0x42
stdout: 266: UNKNOWN:     # # set_owner: start of session
stdout: 267: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 268: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 269: UNKNOWN:     # # set_vring(0)=enabled
stdout: 270: UNKNOWN:     # # set_vring(1)=enabled
stdout: 271: UNKNOWN:     # # set_vring(0)=enabled
stdout: 272: UNKNOWN:     # # set_vring(1)=enabled
stdout: 273: UNKNOWN:     # # set_vring(0)=enabled
stdout: 274: UNKNOWN:     # # set_vring(1)=enabled
stdout: 275: UNKNOWN:     # # set_vring(0)=enabled
stdout: 276: UNKNOWN:     # # set_vring(1)=enabled
stdout: 277: UNKNOWN:     # # set_vring(0)=enabled
stdout: 278: UNKNOWN:     # # set_vring(1)=enabled
stdout: 279: UNKNOWN:     # # set_vring_num: 0/256
stdout: 280: UNKNOWN:     # # set_vring_addr: 0x7f0550000000/0x7f054ffff000/0x7f0550001000
stdout: 283: UNKNOWN:     # # qos_test running single test in subprocess
stdout: 284: UNKNOWN:     # # set_protocol_features: 0x42
stdout: 285: UNKNOWN:     # # set_owner: start of session
stdout: 286: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 287: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 288: UNKNOWN:     # # set_vring(0)=enabled
stdout: 289: UNKNOWN:     # # set_vring(1)=enabled
stdout: 290: UNKNOWN:     # # set_vring(0)=enabled
stdout: 291: UNKNOWN:     # # set_vring(1)=enabled
stdout: 292: UNKNOWN:     # # set_vring(0)=enabled
stdout: 293: UNKNOWN:     # # set_vring(1)=enabled
stdout: 294: UNKNOWN:     # # set_vring(0)=enabled
stdout: 295: UNKNOWN:     # # set_vring(1)=enabled
stdout: 296: UNKNOWN:     # # set_vring(0)=enabled
stdout: 297: UNKNOWN:     # # set_vring(1)=enabled
stdout: 298: UNKNOWN:     # # set_vring_num: 0/256
stdout: 300: UNKNOWN:     # # qos_test running single test in subprocess
stdout: 301: UNKNOWN:     # # set_protocol_features: 0x42
stdout: 302: UNKNOWN:     # # set_owner: start of session
stdout: 303: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 304: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 305: UNKNOWN:     # # set_vring(0)=enabled
stdout: 306: UNKNOWN:     # # set_vring(1)=enabled
stdout: 307: UNKNOWN:     # # set_vring(0)=enabled
stdout: 308: UNKNOWN:     # # set_vring(1)=enabled
stdout: 309: UNKNOWN:     # # set_vring(0)=enabled
stdout: 310: UNKNOWN:     # # set_vring(1)=enabled
stdout: 311: UNKNOWN:     # # set_vring(0)=enabled
stdout: 312: UNKNOWN:     # # set_vring(1)=enabled
stdout: 313: UNKNOWN:     # # set_vring(0)=enabled
stdout: 314: UNKNOWN:     # # set_vring(1)=enabled
stdout: 315: UNKNOWN:     # # set_vring_num: 0/256
stdout: 316: UNKNOWN:     # # set_vring_addr: 0x7fbd00000000/0x7fbcfffff000/0x7fbd00001000
stdout: 431: UNKNOWN:     # # qos_test running single test in subprocess
stdout: 432: UNKNOWN:     # # set_protocol_features: 0x200
stdout: 433: UNKNOWN:     # # set_owner: start of session
stdout: 434: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 435: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 436: UNKNOWN:     # # set_vring_num: 0/64
stdout: 437: UNKNOWN:     # # set_vring_addr: 0x7f13bffff400/0x7f13bffff000/0x7f13c0000000
stdout: 438: UNKNOWN:     # # set_vring_num: 1/64
stdout: 439: UNKNOWN:     # # set_vring_addr: 0x7f13c0001400/0x7f13c0001000/0x7f13c0002000
stdout: 440: UNKNOWN:     # # set_vring(0)=enabled
stdout: 441: UNKNOWN:     # # set_vring(1)=enabled
stdout: 454: UNKNOWN:     # # qos_test running single test in subprocess
stdout: 455: UNKNOWN:     # # set_protocol_features: 0x1
stdout: 456: UNKNOWN:     # # set_owner: start of session
stdout: 457: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 458: UNKNOWN:     # # vhost-user: un-handled message: 14
stdout: 459: UNKNOWN:     # # set_vring_num: 0/256
stdout: 460: UNKNOWN:     # # set_vring_addr: 0x7f4dcc000000/0x7f4dcbfff000/0x7f4dcc001000
stdout: 461: UNKNOWN:     # # set_vring_num: 1/256
stdout: 462: UNKNOWN:     # # set_vring_addr: 0x7f4dcc003000/0x7f4dcc002000/0x7f4dcc004000
stdout: 463: UNKNOWN:     # # set_vring(0)=enabled
stdout: 464: UNKNOWN:     # # set_vring(1)=enabled
Unknown TAP output lines have been ignored. Please open a feature request to
implement them, or prefix them with a # if they are not TAP syntax.

28/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/test-hmp                          OK              65.95s   94 subtests passed
29/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/bios-tables-test                  OK              72.73s   12 subtests passed
30/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/qom-test                          OK             773.17s   93 subtests passed

Ok:                 28  
Expected Fail:      0   
Fail:               0   
Unexpected Pass:    0   
Skipped:            2   
Timeout:            0   

Full log written to /work/armbru/qemu/bld/meson-logs/testlog.txt
make: Leaving directory '/work/armbru/qemu/bld'



^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: qos-test is annoyingly noisy
  2025-07-23 14:28 qos-test is annoyingly noisy Markus Armbruster
@ 2025-07-23 16:38 ` Paolo Bonzini
  2025-07-28 14:39   ` Markus Armbruster
  2025-07-28 14:57   ` Daniel P. Berrangé
  0 siblings, 2 replies; 4+ messages in thread
From: Paolo Bonzini @ 2025-07-23 16:38 UTC (permalink / raw)
  To: Markus Armbruster, Alex Bennée; +Cc: qemu-devel

On 7/23/25 16:28, Markus Armbruster wrote:
> Noise starting with "stdout: " has been polluting output of "make check"
> for a while.  I traced it to qos-test.  Output of "make
> check-qtest-aarch64" appended as an example.
> 
> Blessed silence if I revert commit 30ea13e9d97d (tests/qtest: use
> qos_printf instead of g_test_message).
> 
> Alex, what shall we do here?

What is printing "stdout:", is it glib?  I think glib should be using 
g_test_message() to do those "stdout:" prints. But I agree a more 
practical alternative is a revert.

Paolo

> 
> 
> 
> make: Entering directory '/work/armbru/qemu/bld'
> [1/8] Generating qemu-version.h with a custom command (wrapped by meson to capture output)
> /work/armbru/qemu/bld/pyvenv/bin/meson test  --no-rebuild -t 1  --num-processes 14 --print-errorlogs  --suite qtest-aarch64
>   1/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/cdrom-test                        SKIP             0.11s
>   2/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/tpm-tis-device-swtpm-test         SKIP             0.05s   0 subtests passed
>   3/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/tpm-tis-device-test               OK               0.28s   5 subtests passed
>   4/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/bcm2835-dma-test                  OK               0.25s   1 subtests passed
>   5/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/fuzz-xlnx-dp-test                 OK               0.59s   1 subtests passed
>   6/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/bcm2835-i2c-test                  OK               0.38s   3 subtests passed
>   7/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/boot-serial-test                  OK               0.85s   1 subtests passed
>   8/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/xlnx-versal-trng-test             OK               1.06s   5 subtests passed
>   9/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/tpm-tis-i2c-test                  OK               1.39s   6 subtests passed
> 10/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/cxl-test                          OK               0.39s   1 subtests passed
> 11/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/ast2700-gpio-test                 OK               1.60s   2 subtests passed
> 12/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/npcm_gmac-test                    OK               1.47s   4 subtests passed
> 13/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/xlnx-canfd-test                   OK               2.79s   3 subtests passed
> 14/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/machine-none-test                 OK               0.31s   1 subtests passed
> 15/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/xlnx-can-test                     OK               3.04s   5 subtests passed
> 16/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/ast2700-smc-test                  OK               2.30s   8 subtests passed
> 17/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/vnc-display-test                  OK               0.23s   1 subtests passed
> 18/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/readconfig-test                   OK               0.45s   2 subtests passed
> 19/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/arm-cpu-features                  OK               1.58s   3 subtests passed
> 20/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/qmp-test                          OK               0.94s   4 subtests passed
> 21/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/numa-test                         OK               1.67s   5 subtests passed
> 22/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/ast2700-hace-test                 OK               5.64s   11 subtests passed
> 23/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/netdev-socket                     OK               4.82s   10 subtests passed
> 24/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/device-introspect-test            OK               8.26s   6 subtests passed
> 25/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/qmp-cmd-test                      OK              13.96s   66 subtests passed
> 26/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/migration-test                    OK              24.48s   9 subtests passed
> 27/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/qos-test                          OK              36.70s   128 subtests passed
> 
> stdout: 138: UNKNOWN:     # # qos_test running single test in subprocess
> stdout: 139: UNKNOWN:     # # set_protocol_features: 0x42
> stdout: 140: UNKNOWN:     # # set_owner: start of session
> stdout: 141: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 142: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 143: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 144: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 145: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 146: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 147: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 148: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 149: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 150: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 151: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 152: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 153: UNKNOWN:     # # set_vring_num: 0/256
> stdout: 154: UNKNOWN:     # # set_vring_addr: 0x7f9060000000/0x7f905ffff000/0x7f9060001000
> stdout: 156: UNKNOWN:     # # qos_test running single test in subprocess
> stdout: 157: UNKNOWN:     # # set_protocol_features: 0x42
> stdout: 158: UNKNOWN:     # # set_owner: start of session
> stdout: 159: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 160: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 161: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 162: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 163: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 164: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 165: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 166: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 167: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 168: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 169: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 170: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 171: UNKNOWN:     # # set_vring_num: 0/256
> stdout: 172: UNKNOWN:     # # set_vring_addr: 0x7f1834000000/0x7f1833fff000/0x7f1834001000
> stdout: 175: UNKNOWN:     # # qos_test running single test in subprocess
> stdout: 176: UNKNOWN:     # # set_protocol_features: 0x42
> stdout: 177: UNKNOWN:     # # set_owner: start of session
> stdout: 178: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 179: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 180: UNKNOWN:     # # set_protocol_features: 0x42
> stdout: 181: UNKNOWN:     # # set_owner: start of session
> stdout: 182: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 183: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 184: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 185: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 186: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 187: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 188: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 189: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 190: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 191: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 192: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 193: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 194: UNKNOWN:     # # set_vring_num: 0/256
> stdout: 195: UNKNOWN:     # # set_vring_addr: 0x7fba24000000/0x7fba23fff000/0x7fba24001000
> stdout: 196: UNKNOWN:     # # set_vring_num: 1/256
> stdout: 197: UNKNOWN:     # # set_vring_addr: 0x7fba24003000/0x7fba24002000/0x7fba24004000
> stdout: 200: UNKNOWN:     # # qos_test running single test in subprocess
> stdout: 201: UNKNOWN:     # # set_protocol_features: 0x42
> stdout: 202: UNKNOWN:     # # set_owner: start of session
> stdout: 203: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 204: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 205: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 206: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 207: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 208: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 209: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 210: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 211: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 212: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 213: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 214: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 215: UNKNOWN:     # # set_owner: start of session
> stdout: 216: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 217: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 218: UNKNOWN:     # # set_protocol_features: 0x42
> stdout: 219: UNKNOWN:     # # set_owner: start of session
> stdout: 220: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 221: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 222: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 223: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 224: UNKNOWN:     # # set_vring_num: 0/256
> stdout: 227: UNKNOWN:     # # qos_test running single test in subprocess
> stdout: 228: UNKNOWN:     # # set_protocol_features: 0x43
> stdout: 229: UNKNOWN:     # # set_owner: start of session
> stdout: 230: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 231: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 232: UNKNOWN:     # # set_protocol_features: 0x43
> stdout: 233: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 234: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 235: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 236: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 237: UNKNOWN:     # # set_vring(2)=disabled
> stdout: 238: UNKNOWN:     # # set_vring(3)=disabled
> stdout: 239: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 240: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 241: UNKNOWN:     # # set_vring(2)=disabled
> stdout: 242: UNKNOWN:     # # set_vring(3)=disabled
> stdout: 243: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 244: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 245: UNKNOWN:     # # set_vring(2)=disabled
> stdout: 246: UNKNOWN:     # # set_vring(3)=disabled
> stdout: 247: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 248: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 249: UNKNOWN:     # # set_vring(2)=disabled
> stdout: 250: UNKNOWN:     # # set_vring(3)=disabled
> stdout: 251: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 252: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 253: UNKNOWN:     # # set_vring_num: 0/256
> stdout: 254: UNKNOWN:     # # set_vring_addr: 0x7f46e0000000/0x7f46dffff000/0x7f46e0001000
> stdout: 255: UNKNOWN:     # # set_vring_num: 1/256
> stdout: 256: UNKNOWN:     # # set_vring_addr: 0x7f46e0003000/0x7f46e0002000/0x7f46e0004000
> stdout: 257: UNKNOWN:     # # set_vring_num: 2/256
> stdout: 258: UNKNOWN:     # # set_vring_addr: 0x7f46e0006000/0x7f46e0005000/0x7f46e0007000
> stdout: 259: UNKNOWN:     # # set_vring_num: 3/256
> stdout: 260: UNKNOWN:     # # set_vring_addr: 0x7f46e0009000/0x7f46e0008000/0x7f46e000a000
> stdout: 264: UNKNOWN:     # # qos_test running single test in subprocess
> stdout: 265: UNKNOWN:     # # set_protocol_features: 0x42
> stdout: 266: UNKNOWN:     # # set_owner: start of session
> stdout: 267: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 268: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 269: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 270: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 271: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 272: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 273: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 274: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 275: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 276: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 277: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 278: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 279: UNKNOWN:     # # set_vring_num: 0/256
> stdout: 280: UNKNOWN:     # # set_vring_addr: 0x7f0550000000/0x7f054ffff000/0x7f0550001000
> stdout: 283: UNKNOWN:     # # qos_test running single test in subprocess
> stdout: 284: UNKNOWN:     # # set_protocol_features: 0x42
> stdout: 285: UNKNOWN:     # # set_owner: start of session
> stdout: 286: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 287: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 288: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 289: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 290: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 291: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 292: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 293: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 294: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 295: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 296: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 297: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 298: UNKNOWN:     # # set_vring_num: 0/256
> stdout: 300: UNKNOWN:     # # qos_test running single test in subprocess
> stdout: 301: UNKNOWN:     # # set_protocol_features: 0x42
> stdout: 302: UNKNOWN:     # # set_owner: start of session
> stdout: 303: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 304: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 305: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 306: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 307: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 308: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 309: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 310: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 311: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 312: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 313: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 314: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 315: UNKNOWN:     # # set_vring_num: 0/256
> stdout: 316: UNKNOWN:     # # set_vring_addr: 0x7fbd00000000/0x7fbcfffff000/0x7fbd00001000
> stdout: 431: UNKNOWN:     # # qos_test running single test in subprocess
> stdout: 432: UNKNOWN:     # # set_protocol_features: 0x200
> stdout: 433: UNKNOWN:     # # set_owner: start of session
> stdout: 434: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 435: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 436: UNKNOWN:     # # set_vring_num: 0/64
> stdout: 437: UNKNOWN:     # # set_vring_addr: 0x7f13bffff400/0x7f13bffff000/0x7f13c0000000
> stdout: 438: UNKNOWN:     # # set_vring_num: 1/64
> stdout: 439: UNKNOWN:     # # set_vring_addr: 0x7f13c0001400/0x7f13c0001000/0x7f13c0002000
> stdout: 440: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 441: UNKNOWN:     # # set_vring(1)=enabled
> stdout: 454: UNKNOWN:     # # qos_test running single test in subprocess
> stdout: 455: UNKNOWN:     # # set_protocol_features: 0x1
> stdout: 456: UNKNOWN:     # # set_owner: start of session
> stdout: 457: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 458: UNKNOWN:     # # vhost-user: un-handled message: 14
> stdout: 459: UNKNOWN:     # # set_vring_num: 0/256
> stdout: 460: UNKNOWN:     # # set_vring_addr: 0x7f4dcc000000/0x7f4dcbfff000/0x7f4dcc001000
> stdout: 461: UNKNOWN:     # # set_vring_num: 1/256
> stdout: 462: UNKNOWN:     # # set_vring_addr: 0x7f4dcc003000/0x7f4dcc002000/0x7f4dcc004000
> stdout: 463: UNKNOWN:     # # set_vring(0)=enabled
> stdout: 464: UNKNOWN:     # # set_vring(1)=enabled
> Unknown TAP output lines have been ignored. Please open a feature request to
> implement them, or prefix them with a # if they are not TAP syntax.
> 
> 28/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/test-hmp                          OK              65.95s   94 subtests passed
> 29/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/bios-tables-test                  OK              72.73s   12 subtests passed
> 30/30 qemu:qtest+qtest-aarch64 / qtest-aarch64/qom-test                          OK             773.17s   93 subtests passed
> 
> Ok:                 28
> Expected Fail:      0
> Fail:               0
> Unexpected Pass:    0
> Skipped:            2
> Timeout:            0
> 
> Full log written to /work/armbru/qemu/bld/meson-logs/testlog.txt
> make: Leaving directory '/work/armbru/qemu/bld'
> 
> 
> 



^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: qos-test is annoyingly noisy
  2025-07-23 16:38 ` Paolo Bonzini
@ 2025-07-28 14:39   ` Markus Armbruster
  2025-07-28 14:57   ` Daniel P. Berrangé
  1 sibling, 0 replies; 4+ messages in thread
From: Markus Armbruster @ 2025-07-28 14:39 UTC (permalink / raw)
  To: Paolo Bonzini; +Cc: Alex Bennée, qemu-devel

Paolo Bonzini <pbonzini@redhat.com> writes:

> On 7/23/25 16:28, Markus Armbruster wrote:
>> Noise starting with "stdout: " has been polluting output of "make check"
>> for a while.  I traced it to qos-test.  Output of "make
>> check-qtest-aarch64" appended as an example.
>> Blessed silence if I revert commit 30ea13e9d97d (tests/qtest: use
>> qos_printf instead of g_test_message).
>> Alex, what shall we do here?
>
> What is printing "stdout:", is it glib?  I think glib should be using g_test_message() to do those "stdout:" prints.

I doubt it's glib.  When I run the test directly, like

    $ QTEST_QEMU_BINARY=./qemu-system-aarch64 QTEST_QEMU_IMG=./qemu-img time /work/armbru/qemu/bld/tests/qtest/qos-test

I see the offending lines without "stdout:"

    # Start of vhost-user tests
    qemu-system-aarch64: Failed to set msg fds.
    qemu-system-aarch64: vhost VQ 0 ring restore failed: -22: Invalid argument (22)
    qemu-system-aarch64: Failed to set msg fds.
    qemu-system-aarch64: vhost VQ 1 ring restore failed: -22: Invalid argument (22)
        # # qos_test running single test in subprocess
        # # set_protocol_features: 0x42
        # # set_owner: start of session
        # # vhost-user: un-handled message: 14
        # # vhost-user: un-handled message: 14
        # # set_vring(0)=enabled
        # # set_vring(1)=enabled
        # # set_vring(0)=enabled
        # # set_vring(1)=enabled
        # # set_vring(0)=enabled
        # # set_vring(1)=enabled
        # # set_vring(0)=enabled
        # # set_vring(1)=enabled
        # # set_vring(0)=enabled
        # # set_vring(1)=enabled
        # # set_vring_num: 0/256
        # # set_vring_addr: 0x7f7fcc000000/0x7f7fcbfff000/0x7f7fcc001000
        # # set_vring_num: 1/256
    ok 28 /aarch64/virt/generic-pcihost/pci-bus-generic/pci-bus/virtio-net-pci/virtio-net/virtio-net-tests/vhost-user/migrate

I believe the prefix "stdout: <number>: UNKNOWN: " comes from the test
harness.

> But I agree a more practical alternative is a revert.

I'll post one.



^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: qos-test is annoyingly noisy
  2025-07-23 16:38 ` Paolo Bonzini
  2025-07-28 14:39   ` Markus Armbruster
@ 2025-07-28 14:57   ` Daniel P. Berrangé
  1 sibling, 0 replies; 4+ messages in thread
From: Daniel P. Berrangé @ 2025-07-28 14:57 UTC (permalink / raw)
  To: Paolo Bonzini; +Cc: Markus Armbruster, Alex Bennée, qemu-devel

On Wed, Jul 23, 2025 at 06:38:45PM +0200, Paolo Bonzini wrote:
> On 7/23/25 16:28, Markus Armbruster wrote:
> > Noise starting with "stdout: " has been polluting output of "make check"
> > for a while.  I traced it to qos-test.  Output of "make
> > check-qtest-aarch64" appended as an example.
> > 
> > Blessed silence if I revert commit 30ea13e9d97d (tests/qtest: use
> > qos_printf instead of g_test_message).
> > 
> > Alex, what shall we do here?
> 
> What is printing "stdout:", is it glib?  I think glib should be using
> g_test_message() to do those "stdout:" prints. But I agree a more practical
> alternative is a revert.

AFAICT, this is a bug in meson.

The test in question is running in a subprocess, and glib uses
nested TAP plans for the subprocess. These messages are all
TAP diagnositic lines from the nested plan, and meson is
incorrectly complaining about them.

> > 
> > stdout: 138: UNKNOWN:     # # qos_test running single test in subprocess

IIUC, the original text from glib nested plan was

  "     # # qos_test running single test in subprocess"

and meson adds the 'stdout: 128: UNKNOWN: ' prefix


> > Unknown TAP output lines have been ignored. Please open a feature request to
> > implement them, or prefix them with a # if they are not TAP syntax.

...they were already prefixed with '#', they just had some
whitespace before the '#' due to the nested plans.


With regards,
Daniel
-- 
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^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2025-07-28 14:59 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-07-23 14:28 qos-test is annoyingly noisy Markus Armbruster
2025-07-23 16:38 ` Paolo Bonzini
2025-07-28 14:39   ` Markus Armbruster
2025-07-28 14:57   ` Daniel P. Berrangé

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