[Google Pixel 2 Questions & Answers] Lekensteyn:
No idea what you need it for, but here you go, the partition layout for a Pixel 2 (walleye MP1, serial number FA81Bxxxxxxx => made in Taiwan, 2018-01-11). Taken using twrp-3.2.1-0-walleye

+ fdisk -l /dev/block/sda
Note: sector size is 4096 (not 512)
Found valid GPT with protective MBR; using GPT

Disk /dev/block/sda: 124674048 sectors, 3680M
Logical sector size: 4096
Disk identifier (GUID): 98101b32-bbe2-4bf2-a06e-2bb33d000c20
Partition table holds up to 48 entries
First usable sector is 6, last usable sector is 15584250

Number Start (sector) End (sector) Size Code Name
1 6 15 40960 0700 padding0
2 16 143 512K 0700 lockbooter_a
3 144 271 512K 0700 rpm_a
4 272 783 2048K 0700 tz_a
5 784 911 512K 0700 hyp_a
6 912 1039 512K 0700 pmic_a
7 1040 21519 80.0M 0700 modem_a
8 21520 21775 1024K 0700 abl_a
9 21776 29967 32.0M 0700 boot_a
10 29968 38159 32.0M 0700 hosd_a
11 38160 38287 512K 0700 keymaster_a
12 38288 38415 512K 0700 cmnlib_a
13 38416 38543 512K 0700 cmnlib64_a
14 38544 38607 256K 0700 apdp_a
15 38608 38671 256K 0700 msadp_a
16 38672 38703 128K 0700 devcfg_a
17 38704 38735 128K 0700 storsec_a
18 38736 38751 65536 0700 vbmeta_a
19 38752 39519 3072K 0700 trusty_a
20 39520 167519 500M 0700 vendor_a
21 167520 169567 8192K 0700 dtbo_a
22 169568 824927 2560M 0700 system_a
23 824928 825055 512K 0700 lockbooter_b
24 825056 825183 512K 0700 rpm_b
25 825184 825695 2048K 0700 tz_b
26 825696 825823 512K 0700 hyp_b
27 825824 825951 512K 0700 pmic_b
28 825952 846431 80.0M 0700 modem_b
29 846432 846687 1024K 0700 abl_b
30 846688 854879 32.0M 0700 boot_b
31 854880 863071 32.0M 0700 hosd_b
32 863072 863199 512K 0700 keymaster_b
33 863200 863327 512K 0700 cmnlib_b
34 863328 863455 512K 0700 cmnlib64_b
35 863456 863519 256K 0700 apdp_b
36 863520 863583 256K 0700 msadp_b
37 863584 863615 128K 0700 devcfg_b
38 863616 863647 128K 0700 storsec_b
39 863648 863663 65536 0700 vbmeta_b
40 863664 864431 3072K 0700 trusty_b
41 864432 992431 500M 0700 vendor_b
42 992432 994479 8192K 0700 dtbo_b
43 994480 1649839 2560M 0700 system_b
44 1649840 1650687 3392K 0700 padding1
45 1650688 15584250 53.1G 0700 userdata
+ fdisk -l /dev/block/sdb
Note: sector size is 4096 (not 512)
Found valid GPT with protective MBR; using GPT

Disk /dev/block/sdb: 8192 sectors, 32.0M
Logical sector size: 4096
Disk identifier (GUID): 98101b32-bbe2-4bf2-a06e-2bb33d000c20
Partition table holds up to 4 entries
First usable sector is 6, last usable sector is 1018

Number Start (sector) End (sector) Size Code Name
1 6 1018 4052K 0700 xbl_a
+ fdisk -l /dev/block/sdc
Note: sector size is 4096 (not 512)
Found valid GPT with protective MBR; using GPT

Disk /dev/block/sdc: 8192 sectors, 32.0M
Logical sector size: 4096
Disk identifier (GUID): 98101b32-bbe2-4bf2-a06e-2bb33d000c20
Partition table holds up to 4 entries
First usable sector is 6, last usable sector is 1018

Number Start (sector) End (sector) Size Code Name
1 6 1018 4052K 0700 xbl_b
+ fdisk -l /dev/block/sdd
Note: sector size is 4096 (not 512)
Found valid GPT with protective MBR; using GPT

Disk /dev/block/sdd: 196608 sectors, 768M
Logical sector size: 4096
Disk identifier (GUID): 98101b32-bbe2-4bf2-a06e-2bb33d000c20
Partition table holds up to 20 entries
First usable sector is 6, last usable sector is 24570

Number Start (sector) End (sector) Size Code Name
1 6 261 1024K 0700 misc
2 262 263 8192 0700 ssd
3 264 8455 32.0M 0700 persist
4 8456 8583 512K 0700 frp
5 8584 8584 4096 0700 cdt
6 8585 8840 1024K 0700 ddr
7 8841 8872 128K 0700 sec
8 8873 9128 1024K 0700 dip
9 9129 9129 4096 0700 dpo
10 9130 17485 32.6M 0700 splash
11 17486 17486 4096 0700 limits
12 17487 17742 1024K 0700 toolsfv
13 17743 19790 8192K 0700 logfs
14 19791 20302 2048K 0700 sti
15 20303 20814 2048K 0700 modemst1
16 20815 21326 2048K 0700 modemst2
17 21327 21582 1024K 0700 fsc
18 21583 24570 11.6M 0700 reserve3
+ fdisk -l /dev/block/sde
Note: sector size is 4096 (not 512)
Found valid GPT with protective MBR; using GPT

Disk /dev/block/sde: 73728 sectors, 288M
Logical sector size: 4096
Disk identifier (GUID): 98101b32-bbe2-4bf2-a06e-2bb33d000c20
Partition table holds up to 8 entries
First usable sector is 6, last usable sector is 9210

Number Start (sector) End (sector) Size Code Name
1 6 1541 6144K 0700 ramdump
2 1542 2565 4096K 0700 pg1fs
3 2566 3077 2048K 0700 pg2fs
4 3078 7173 16.0M 0700 metadata
5 7174 9210 8148K 0700 reserve4
+ fdisk -l /dev/block/sdf
Note: sector size is 4096 (not 512)
Found valid GPT with protective MBR; using GPT

Disk /dev/block/sdf: 16384 sectors, 64.0M
Logical sector size: 4096
Disk identifier (GUID): 98101b32-bbe2-4bf2-a06e-2bb33d000c20
Partition table holds up to 8 entries
First usable sector is 6, last usable sector is 2042

Number Start (sector) End (sector) Size Code Name
1 6 9 16384 0700 board_info
2 10 73 256K 0700 mfg
3 74 457 1536K 0700 fsg
4 458 458 4096 0700 devinfo
5 459 2042 6336K 0700 reserve5