DiskCachePerftest.CacheBackendPerformance and SimpleCacheBackendPerformance both fail with fatal page faults on fuchsia that terminate the entire test suite.
The full output of the test execution on QEMU is as follows:
out/fuchsia/bin/run_net_perftests --gtest_filter=DiskCachePerfTest.CacheBackendPerformance
2018-06-08 12:35:50,642:INFO:root:Connecting to Fuchsia using SSH.
2018-06-08 12:35:58,850:INFO:root:Connected!
2018-06-08 12:35:58,851:INFO:root:Attaching kernel logger.
2018-06-08 12:35:58,856:INFO:root:Copying package to target.[00000.000] multiboot: info @ 0xffffff8000009500 flags 0x24f
[00000.000] multiboot: cmdline @ 0xffffff80002ac07e[00000.000] multiboot: ramdisk @ 002ad000..00677f20
[00000.000] bootdata: @ 0xffffff80002ad000 (3976992 bytes)[00000.000] PMM: boot reserve add [0x100000, 0x2a9fff]
[00000.000] PMM: boot reserve add [0x2ad000, 0x677fff][00000.000] PMM: boot reserve marking WIRED [0x100000, 0x2a9fff]
[00000.000] PMM: boot reserve marking WIRED [0x2ad000, 0x677fff][00000.000]
[00000.000] welcome to Zircon
[00000.000]
[00000.000] INIT: cpu 0, calling hook 0xffffffff80197ff8 (global_prng_seed) at level 0x30000, flags 0x1
[00000.000] initializing vm pre-heap
[00000.000] VM: marking boot alloc used range [0x678000, 0x678040)
[00000.000] INIT: cpu 0, calling hook 0xffffffff801409d0 (elf_build_id)at level 0x4fffe, flags 0x1
[00000.000] INIT: cpu 0, calling hook 0xffffffff80140b54 (version) at level 0x4ffff, flags 0x1
[00000.000] version:
[00000.000]     arch:     x86
[00000.000]     platform: pc
[00000.000]     target:   pc
[00000.000]     project:  x64
[00000.000]     buildid:  git-b4404bdb53fc3c220d3774f5d632c953f13bb409
[00000.000]     ELF build ID: 67a050ec7aaa8c30990f4ba0ba45dac4de3ae45a
[00000.000] initializing heap
[00000.000] INIT: cpu 0, calling hook 0xffffffff80196cbc (console) at level 0x50000, flags 0x1
[00000.000] initializing vm
[00000.000] VM: reserving kernel region [0xffffffff80100000, 0xffffffff801d8000) flags 0x28 name 'kernel_code'
[00000.000] VM: reserving kernel region [0xffffffff801d8000, 0xffffffff80215000) flags 0x8 name 'kernel_rodata'
[00000.000] VM: reserving kernel region [0xffffffff80215000, 0xffffffff8021c000) flags 0x18 name 'kernel_data'
[00000.000] VM: reserving kernel region [0xffffffff8021c000, 0xffffffff802aa000) flags 0x18 name 'kernel_bss'
[00000.000] INIT: cpu 0, calling hook 0xffffffff80101168 (acpi_tables) at level 0x60001, flags 0x1
[00000.000] INIT: cpu 0, calling hook 0xffffffff80103a80 (display_memtype) at level 0x60001, flags 0x1
[00000.000] INIT: cpu 0, calling hook 0xffffffff8010206c (hpet) at level 0x60002, flags 0x1
[00000.000] INIT: cpu 0, calling hook 0xffffffff801023a8 (apic) at level 0x60002, flags 0x1
[00000.000] x2APIC enabled
[00000.000] INIT: cpu 0, calling hook 0xffffffff801065f0 (timer) at level 0x60003, flags 0x1
[00000.000] pvclock: Clocksource is stable
[00000.000] HPET frequency: 100000 ticks/ms
[00000.000] pvclock: Fetching TSC frequency
[00000.000] TSC frequency: 2593992 ticks/ms
[00000.319] timer features: constant_tsc 1 invariant_tsc 1 tsc_deadline1
[00000.319] Using TSC as wallclock
[00000.319] initializing kernel
[00000.319] initializing mp
[00000.319] initializing threads
[00000.319] initializing timers
[00000.319] INIT: cpu 0, calling hook 0xffffffff80134adc (debuglog) at level 0x7ffff, flags 0x1
[00000.319] INIT: cpu 0, calling hook 0xffffffff80185728 (thread_set_priority_experiment) at level 0x7ffff, flags 0x1
[00000.319] thread set priority experiment is : ENABLED
[00000.319] INIT: cpu 0, calling hook 0xffffffff80198264 (global_prng_thread_safe) at level 0x7ffff, flags 0x1
[00000.319] creating bootstrap completion thread
[00000.319] top of bootstrap2()
[00000.319] INIT: cpu 0, calling hook 0xffffffff8012ad60 (dpc) at level0x80000, flags 0x1
[00000.319] INIT: cpu 0, calling hook 0xffffffff8014cb54 (libobject) atlevel 0x80000, flags 0x1
[00000.319] OOM: started thread
[00000.319] Processor Model Info: type 0 family 0x6 model 0xf stepping 0x1
[00000.319]     display_family 0x6 display_model 0x4f
[00000.319] Vendor: Intel
[00000.319] Microarch: Broadwell
[00000.319] F/M/S: 6/4f/1
[00000.319] Brand: Intel(R) Xeon(R) CPU E5-2690 v4 @ 2.60GHz
[00000.319] Features: fpu sse sse2 sse3 ssse3 sse4.1 sse4.2 mmx avx avx2 fxsr pcid xsave aesni clflush
[00000.319] fsgsbase tsc_adj smep smap erms rdrand rdseed syscall nx huge rdtscp invar_tsc tsc_deadline
[00000.319] x2apic hypervisor
[00000.319] x86_perfmon_have_mchbar_data:385: perfmon: unsupported pci device: 0x8086.0x29c0
[00000.319] initializing platform
[00000.319] cpu topology:
[00000.319]     0: apic id 0x0 package 0 node 0 core 0 smt 0 BSP
[00000.319]     1: apic id 0x1 package 1 node 0 core 0 smt 0
[00000.319]     2: apic id 0x2 package 2 node 0 core 0 smt 0
[00000.319]     3: apic id 0x3 package 3 node 0 core 0 smt 0
[00000.319] Found 4 cpus
[00000.319] booting apic ids: 0x1 0x2 0x3
[00000.329] entering scheduler on cpu 2
[00000.329] entering scheduler on cpu 3
[00000.329] entering scheduler on cpu 1
[00000.330] smbios: manufacturer="QEMU" product="Standard PC (Q35 + ICH9, 2009)"
[00000.330] initializing target
[00000.330] INIT: cpu 0, calling hook 0xffffffff80105618 (x86_pcie_init) at level 0xa0000, flags 0x1
[00000.330] moving to last init level
[00000.330] INIT: cpu 0, calling hook 0xffffffff8013c174 (ktrace) at level 0xc0000, flags 0x1
[00000.341] ktrace: buffer at 0xffffff9812e30000 (33554432 bytes)
[00000.341] INIT: cpu 0, calling hook 0xffffffff801409c4 (userboot) at level 0xc0000, flags 0x1
[00000.341] userboot: ramdisk        0x3cb000 @ 0xffffff80002ad000
[00000.342] userboot: userboot rodata       0 @ [0x55e94983e000,0x55e949841000)
[00000.342] userboot: userboot code    0x3000 @ [0x55e949841000,0x55e94984c000)
[00000.342] userboot: vdso/full rodata       0 @ [0x55e94984c000,0x55e949852000)
[00000.342] userboot: vdso/full code    0x6000 @ [0x55e949852000,0x55e949853000)
[00000.342] userboot: entry point             @ 0x55e949841b50
[00000.342] INIT: cpu 0, calling hook 0xffffffff80197724 (kernel_shell)at level 0xc0000, flags 0x1
[00000.342] userboot: option "/usr/local/google/home/stephanstross/chromium/src/third_party/fuchsia-sdk/sdk/target/x86_64/zircon.bin="
[00000.342] userboot: option "devmgr.epoch=1528486548"
[00000.342] userboot: option "zircon.nodename=fcaebea1-c966-4192-98e8-e6f5acb7e639"
[00000.342] userboot: option "TERM=dumb"
[00000.342] userboot: option "devmgr.require-system=true"
[00000.342] userboot: option "zircon.system.blob-init=/blob/c101562d2dea5753b042595dfafa35ebdf6406876c04273165725f078df22c85"
[00000.342] userboot: option "zircon.system.blob-init-arg=e876bf615c115af63b487af2960d8adae1eae56cef6373a570bb2fb7d9fd974b"
[00000.357] userboot: searching bootfs for 'bin/devmgr'
[00000.358] userboot: 'bin/devmgr' has PT_INTERP "lib/ld.so.1"
[00000.358] userboot: searching bootfs for 'lib/ld.so.1'
[00000.358] userboot: userboot: loaded lib/ld.so.1 at 0x4d6e9b4df000, entry point 0x4d6e9b56bec4
[00000.358] userboot: userboot: loaded vDSO at 0x53200c8fe000, entry point 0x0
[00000.358] userboot: process bin/devmgr started.
[00000.358] userboot: waiting for loader-service requests...
[00000.358] userboot: searching bootfs for 'lib/libasync-default.so'
[00000.358] userboot: searching bootfs for 'lib/liblaunchpad.so'
[00000.358] userboot: searching bootfs for 'lib/libfdio.so'
[00000.358] {{{reset}}}
[00000.358] {{{module:0:<application>:elf:4d815fe4bdd7c32ca109c9a833fbbdfc3955bfe6}}}
[00000.358] {{{mmap:0x1eee3cf5e000:0x12000:load:0:rx:0}}}
[00000.358] {{{mmap:0x1eee3cf70000:0x2000:load:0:rw:0x12000}}}
[00000.358] dso: id=4d815fe4bdd7c32ca109c9a833fbbdfc3955bfe6 base=0x00001eee3cf5e000 name=<application>
[00000.358] {{{module:0x3:libasync-default.so:elf:e770685a830911e0c40ea169ca6c80cbd6cc119c}}}
[00000.358] {{{mmap:0x2aca88ca0000:0x1000:load:0x3:rx:0}}}
[00000.358] {{{mmap:0x2aca88ca1000:0x1000:load:0x3:rw:0x1000}}}
[00000.358] dso: id=e770685a830911e0c40ea169ca6c80cbd6cc119c base=0x00002aca88ca0000 name=libasync-default.so
[00000.358] {{{module:0x4:liblaunchpad.so:elf:8f0b931e7dfb8820e57ecc153d7ba9608050d5a9}}}
[00000.358] {{{mmap:0x69e515bdb000:0x7000:load:0x4:rx:0}}}
[00000.358] {{{mmap:0x69e515be2000:0x2000:load:0x4:rw:0x7000}}}
[00000.358] dso: id=8f0b931e7dfb8820e57ecc153d7ba9608050d5a9 base=0x000069e515bdb000 name=liblaunchpad.so
[00000.358] {{{module:0x5:libfdio.so:elf:c3f0bed8493717a23b789e62fafe84e64f57e491}}}
[00000.358] {{{mmap:0xe2228e33000:0x23000:load:0x5:rx:0}}}
[00000.358] {{{mmap:0xe2228e57000:0x3000:load:0x5:rw:0x24000}}}
[00000.358] dso: id=c3f0bed8493717a23b789e62fafe84e64f57e491 base=0x00000e2228e33000 name=libfdio.so
[00000.358] {{{module:0x2:<vDSO>:elf:6c6bf49fafb6f79c5a7487c3184ad9d7779ef541}}}
[00000.358] {{{mmap:0x53200c8fe000:0x6000:load:0x2:r:0}}}
[00000.358] {{{mmap:0x53200c904000:0x1000:load:0x2:rx:0x6000}}}
[00000.358] dso: id=6c6bf49fafb6f79c5a7487c3184ad9d7779ef541 base=0x000053200c8fe000 name=<vDSO>
[00000.358] {{{module:0x1:libc.so:elf:6f84aeabef70f54523ac1b5f8c618c0b03013f25}}}
[00000.358] {{{mmap:0x4d6e9b4df000:0xd5000:load:0x1:rx:0}}}
[00000.358] {{{mmap:0x4d6e9b5b4000:0x6000:load:0x1:rw:0xd5000}}}
[00000.358] dso: id=6f84aeabef70f54523ac1b5f8c618c0b03013f25 base=0x00004d6e9b4df000 name=libc.so
[00000.359] devmgr: main()
[00000.359] userboot: loader-service channel peer closed
[00000.359] devmgr: init
[00000.359] userboot: finished!
[00000.359] coordinator_init()
[00000.359] devmgr: vfs init
[00000.360] devmgr: launch /boot/bin/fshost (fshost) OK
[00000.361] fshost: started.
[00000.363] cmdline: /usr/local/google/home/stephanstross/chromium/src/third_party/fuchsia-sdk/sdk/target/x86_64/zircon.bin=
[00000.363] cmdline: devmgr.epoch=1528486548
[00000.363] cmdline: zircon.nodename=fcaebea1-c966-4192-98e8-e6f5acb7e639
[00000.363] cmdline: TERM=dumb
[00000.363] cmdline: devmgr.require-system=true
[00000.363] cmdline: zircon.system.blob-init=/blob/c101562d2dea5753b042595dfafa35ebdf6406876c04273165725f078df22c85
[00000.363] cmdline: zircon.system.blob-init-arg=e876bf615c115af63b487af2960d8adae1eae56cef6373a570bb2fb7d9fd974b
[00000.363] devmgr: shell startup
[00000.363] devmgr: coordinator()
[00000.364] devmgr: launch /boot/bin/crashsvc (crashsvc) OK
[00000.368] devmgr: launch /boot/bin/netsvc (netsvc) OK
[00000.372] devmgr: launch /boot/bin/virtual-console (virtual-console) OK
[00000.378] devcoord: launch devhost 'devhost:sys': pid=1730
[00000.379] devcoord: launch devhost 'devhost:test': pid=1764
[00000.379] devcoord: full system required, ignoring fallback drivers until /system is loaded
[00000.380] devcoord: launch devhost 'devhost:root': pid=1816
[00000.384] devcoord: launch devhost 'devhost:misc': pid=1863
[00000.397] usb_virtual_bus_bind
[00000.473] AllocateBarLocked:572: Failed to preserve device 00:01.0's PFMMIO window [0xfd000000, 0xfdffffff] Attempting to re-allocate.
[00000.474] AllocateBarLocked:572: Failed to preserve device 00:02.0's PFMMIO window [0xfe000000, 0xfe003fff] Attempting to re-allocate.
[00000.475] AllocateBarLocked:572: Failed to preserve device 00:03.0's PFMMIO window [0xfe004000, 0xfe007fff] Attempting to re-allocate.
[00000.477] acpi: published device pci(0x23345bd26600), parent=proxy(0x23345bd3a000), handle=0x23345bd043c0
[00000.477] acpi: failed to get PCI base bus number for device 'PCI0' (acpi_status 5)
[00000.477] acpi: published device rtc(0x23345bd265c0), parent=acpi(0x23345bd3a180), handle=0x23345bd04870
[00000.477] acpi: published device i8042(0x23345bd26580), parent=acpi(0x23345bd3a180), handle=0x23345bd04900
[00000.478] IntelPT: No PT support
[00000.478] mtrace_ipm_control:34: action 0, options 0x0, arg 0x463d4d04b20, size 0x20
[00000.478] ipm_init_once: No PM support
[00000.479] devcoord: launch devhost 'devhost:pci#1:1234:1111': pid=2198
[00000.480] devcoord: launch devhost 'devhost:pci#2:1af4:1001': pid=2236
[00000.482] devcoord: launch devhost 'devhost:pci#3:1af4:1001': pid=2300
[00000.484] devcoord: launch devhost 'devhost:pci#4:8086:100e': pid=2358
[00000.485] devcoord: launch devhost 'devhost:pci#6:8086:2922': pid=2419
[00000.487] devhost: WARNING: driver '/boot/driver/pc-ps2.so' did not add device in bind()
[00000.488] i8042 device 0xab 0x41
[00000.493] bochs_vbe: initialized display, 1024 x 768 (stride=1024 format=00020001)
[00000.501] eth: using legacy irq mode
[00000.502] devmgr: launch /boot/bin/sh (sh:console) OK
[00000.503] eth: mac: 52:54:00:63:5e:7b
[00000.504] eth: iomem @0x13d4b1e37000 (phys 33cc000)
[00000.506] eth: intel-ethernet online
[00000.507] ahci: using MSI interrupt
[00000.509] netifc: ? /dev/class/ethernet/000
[00000.510] netifc: create 512 eth buffers
[00000.511] i8042 device 0x00
[00000.513] macaddr: 52:54:00:63:5e:7b
[00000.513] ip6addr: fe80::5054:4d:fe63:5e7b
[00000.513] snmaddr: ff02::1:ff63:5e7b
[00000.513] netsvc: using /dev/class/ethernet/000
[00000.514] netsvc: nodename='fcaebea1-c966-4192-98e8-e6f5acb7e639'
[00000.514] netsvc: start
[00000.515] devmgr: /dev/class/block/000: FVM?
[00000.516] devcoord: dc_bind_device() '/boot/driver/fvm.so'
[00000.516] hid: boot mouse hack for "hid-device-002":  report count (1->1), inp sz (24->24), out sz (0->0), feat sz (0->0)
[00000.523] devmgr: /dev/class/block/001: FVM?
[00000.523] devcoord: dc_bind_device() '/boot/driver/fvm.so'
[00000.525] devmgr: launch /boot/bin/blobfs (blobfs:/blob) OK
[00000.599] vc: new input device /dev/class/input/000
[00000.599] vc: new input device /dev/class/input/001
[00000.638] devmgr: launch /fs/blob/c101562d2dea5753b042595dfafa35ebdf6406876c04273165725f078df22c85 (pkgfs) OK
[00000.645] pkgsvr: 2018/06/08 19:35:50 system: will be served from e876bf615c115af63b487af2960d8adae1eae56cef6373a570bb2fb7d9fd974b
[00000.645] pkgsvr: 2018/06/08 19:35:50 pkgfs serving index /data/pkgfs_index from blobfs /blob
[00000.646] devcoord: fallback driver 'intel_disp' is available
[00000.646] devcoord: driver 'intel_disp' added
[00000.647] devmgr: mounting minfs
[00000.648] devmgr: launch /boot/bin/minfs (minfs:/data) OK
[00000.653] devmgr: launch /system/bin/appmgr (appmgr) OK
[00000.710] [ERROR:garnet/bin/appmgr/root_loader.cc(71)] Could not loadurl: file://cobalt_system_metrics
[00000.710] [ERROR:garnet/bin/appmgr/root_loader.cc(71)] Could not loadurl: file://netconnector
[00000.711] [ERROR:garnet/bin/appmgr/root_loader.cc(71)] Could not loadurl: file://network_time
[00000.715] [ERROR:garnet/bin/appmgr/root_loader.cc(71)] Could not loadurl: file://wlanstack
[00000.774] [ERROR:garnet/bin/sysmgr/app.cc(146)] Singleton wlanstack died
[00000.780] netstack: started
[00000.780] netstack: socket dispatcher started
[00000.781] netstack: watching for ethernet devices
[00000.782] netstack: linkaddr: 52:54:00:63:5e:7b
[00000.782] netstack: NIC 2 added using ethernet device "/dev/class/ethernet/000"
[00000.782] netstack: NIC 2: ipv6addr: fe80::5054:ff:fe63:5e7b
[00000.784] netstack: NIC 2: DHCP acquired IP 192.168.3.9 for 24h0m0s
[00000.784] netstack: NIC 2: DNS servers: [192.168.3.3]
[00000.789] [INFO:main.cc(35)] Trace Manager starting with config: /pkg/data/tracing.config
[00006.612] Could not load host key: /system/data/ssh/ssh_host_ed25519_key
[00006.617] netstack: convSockOpt: TODO IPPROTO_IP optname=4
[00008.176] netstack: convSockOpt: TODO IPPROTO_IP optname=1
2018-06-08 12:36:01,984:INFO:root:Installing package.
[00011.397] pkgsvr: 2018/06/08 19:36:00 pkgfs: importing package from "ceed5ef9c9557cda133275cd6087a99ad44586c624f3d58c316df8b38b3f530b"
[00011.417] pkgsvr: 2018/06/08 19:36:00 pkgfs: blob already present for{net_perftests 0}: "3fef51a772babc3d056d9d0152f813485fcac86f8b36464ed2ca42c345f5e16e"
[00011.417] pkgsvr: 2018/06/08 19:36:00 pkgfs: blob already present for{net_perftests 0}: "fae5d793001067ae90c1ce93288dab735916889efeaec84d32040dbb154b4407"
[00011.417] pkgsvr: 2018/06/08 19:36:00 pkgfs: blob already present for{net_perftests 0}: "3fef51a772babc3d056d9d0152f813485fcac86f8b36464ed2ca42c345f5e16e"
[00011.417] pkgsvr: 2018/06/08 19:36:00 pkgfs: blob already present for{net_perftests 0}: "4037f959a943be3051865ed7571c5dc5afc959d98f7e1917bb946034682d4c54"
[00011.417] pkgsvr: 2018/06/08 19:36:00 pkgfs: blob already present for{net_perftests 0}: "5150f1d32c6decda72656e53350330776b7b6a9c41bfc3899f39da8ba17bdb41"
[00011.423] pkgsvr: 2018/06/08 19:36:00 pkgfs: asking amber to fetch 2290 blobs for {net_perftests 0}
[00011.423] 2018/06/08 19:36:00 meta.far written, starting blobs
2018-06-08 12:36:03,461:INFO:root:Running application.
[00012.820] pkgsvr: 2018/06/08 19:36:02 pkgfs:unsupported(/packages/net_perftests/0): dir unlink "app.log"
Note: Google Test filter = DiskCachePerfTest.CacheBackendPerformance
[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from DiskCachePerfTest
[ RUN      ] DiskCachePerfTest.CacheBackendPerformance
[76650:133119661:0608/193602.382781:12869454:ERROR:disk_cache_perftest.cc(423)] Using cache at:/tmp/.org.chromium.Chromium.iiAGbk
Write disk cache entries        12044.1 ms
[76650:133119661:0608/193615.212941:25699604:ERROR:test_file_util_posix.cc(85)] Not implemented reached in bool base::EvictFileFromSystemCache(const base::FilePath &)
../../net/disk_cache/disk_cache_perftest.cc:406: Failure
Value of: base::EvictFileFromSystemCache(file_path)
  Actual: false
Expected: true
[00025.700] devmgr: analyzer_starter: launching for exception type 0x108
Stack trace:
[00025.701] devmgr: launch /boot/bin/crashanalyzer (analyzer) OK
#00: testing::internal::UnitTestImpl::CurrentOsStackTraceExceptTop(int)at gtest.cc:?
#01: testing::internal::AssertHelper::operator=(testing::Message const&) const at gtest.cc:?
#02: (anonymous namespace)::DiskCachePerfTest::ResetAndEvictSystemDiskCache() at disk_cache_perftest.cc:?
#03: (anonymous namespace)::DiskCachePerfTest::CacheBackendPerformance() at disk_cache_perftest.cc:?
[00025.702] <== fatal exception: process net_perftests[76650] thread initial-thread[76663]

[00025.702] <== fatal page fault, PC at 0x7f51c7d0587d
[00025.702]  CS:                   0 RIP:     0x7f51c7d0587d EFL:     0x10206 CR2:                  0
[00025.703]  RAX:             0xbc86 RBX:     0x47d7f3aef0c0 RCX:        0x58 RDX:     0x7f51c7d05cd0
[00025.703]  RSI:     0x47d7f3aef0c0 RDI:                  0 RBP:     0x47ad608911a8 RSP:     0x3e52cc8ada20
[00025.703]   R8: 0xffffffffffffffff  R9:     0x3e52cc8ad9b0 R10:      0x8000 R11:   0x20000000000000
[00025.703]  R12:     0x3e52cc8adae8 R13:     0x3e52cc8adbe8 R14:     0x3e52cc8ada30 R15:     0x3e52cc8ada38
[00025.703]  errc:               0x4
2018-06-08 12:36:16,382:WARNING:root:Process exited with status code 255.
2018-06-08 12:36:16,382:INFO:root:Terminating kernel log reader.
2018-06-08 12:36:16,382:INFO:root:Removing package source from device.
2018-06-08 12:36:16,400:INFO:root:Shutting down QEMU.