os/bluestore: osd scrape read/write operations

os/bluestore: osd scrape read/write operations

To run:
```bash
../src/test/objectstore/allocsim/ops_scraper.py --ceph_bin_path bin/ceph
```

Example:
```bash
$ ../src/test/objectstore/allocsim/ops_scraper.py --ceph_bin_path bin/ceph                                                                           [13:06:39]
collecting from osd. 0
op_type | offset/extent | name | pgid | initiated_at | who
-------------------------------------------------------
write 0~4194304 4:c4b97d2c:::be151868021c187609fb97e4c22ae1f9:head 4.3 2023-07-12T13:06:34.959082+0200 client.4831.0:351
write 0~4194304 4:d392075e:::b068dce954dca8ca56d72e02e87f39c8:head 4.b 2023-07-12T13:06:35.093439+0200 client.4831.0:358
write 0~4194304 4:bc1ac643:::7b815bd25a40695c891dc06bdf2b65be:head 4.1d 2023-07-12T13:06:35.128097+0200 client.4831.0:360
write 0~4194304 4:d0d21bd5:::cc531199dd2707370bb461cce82bdef6:head 4.b 2023-07-12T13:06:36.023082+0200 client.4831.0:367
write 0~4194304 4:a9abc92c:::0703d6f43d14bc33d69f94ecb96c522c:head 4.15 2023-07-12T13:06:36.367886+0200 client.4831.0:369
write 0~4194304 4:9b4684ea:::d5856dc0ecad96f811012e0937d5e0ac:head 4.19 2023-07-12T13:06:36.654584+0200 client.4831.0:370
write 0~4194304 4:d15b8c87:::c3344e5de8c8936876965d9fb056ad89:head 4.b 2023-07-12T13:06:36.835690+0200 client.4831.0:371
write 0~4194304 4:ad41de2a:::8a1e2743b577a67d6bc8a1d514391b53:head 4.15 2023-07-12T13:06:37.102741+0200 client.4831.0:373
write 0~4194304 4:fc35d54f:::39cd961e7e33680f4bfd1ca0fe43dda4:head 4.1f 2023-07-12T13:06:38.047612+0200 client.4831.0:377

collecting from osd. 1
op_type | offset/extent | name | pgid | initiated_at | who
-------------------------------------------------------
write 0~4194304 4:4c9ed2e8:::86206ccc35d8aceaf78670a751a6b550:head 4.12 2023-07-12T13:06:34.771423+0200 client.4831.0:340
write 0~4194304 4:106d9524:::fe7534cc604b0eb50498cb23aaca9161:head 4.8 2023-07-12T13:06:35.128105+0200 client.4831.0:359
write 0~4194304 4:a6e3fdb1:::2692491bfc4c584ca5b1efcb896936c2:head 4.5 2023-07-12T13:06:35.567070+0200 client.4831.0:363
write 0~4194304 4:2d9a471a:::ba51255646d00c496c2638bad03e0869:head 4.14 2023-07-12T13:06:35.568290+0200 client.4831.0:364
write 0~4194304 4:2b1381b1:::c58fa31e5d3a4f5550ee143bcb07a49f:head 4.14 2023-07-12T13:06:35.764699+0200 client.4831.0:365
write 0~4194304 4:a22e158f:::b2116e08700da18595b96d58120fe81c:head 4.5 2023-07-12T13:06:36.023101+0200 client.4831.0:366
```

Signed-off-by: Pere Diaz Bou <pere-altea@hotmail.com>