Closed Bug 1650296 Opened 5 years ago Closed 5 years ago

High cpu usage when using sites like quora (not only video decoding)

Categories

(Firefox :: Untriaged, defect)

Product:
Firefox
Component:
Untriaged
Version:
78 Branch
Type:
defect

Tracking

()

Status:
RESOLVED INVALID

People

(Reporter: blurhy, Unassigned)

Details

User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0

Steps to reproduce:

Open a site like quora/youtube

Actual results:

CPU usage turns 20% when opening new tabs, or simply scrolling and loading new content.

https://crash-stats.mozilla.org/report/index/79e6c7bc-c142-4421-bf07-31bb40200703

strace of process Web

poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, -1) = 1 ([{fd=8, revents=POLLIN}])
read(8, "\372", 1)                      = 1
write(15, "\0", 1)                      = 1
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, -1) = 1 ([{fd=8, revents=POLLIN}])
read(8, "\372", 1)                      = 1
write(15, "\0", 1)                      = 1
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, -1) = 1 ([{fd=8, revents=POLLIN}])
read(8, "\372", 1)                      = 1
write(15, "\0", 1)                      = 1
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, -1) = 1 ([{fd=8, revents=POLLIN}])
read(8, "\372", 1)                      = 1
write(15, "\0", 1)                      = 1
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, -1) = 1 ([{fd=8, revents=POLLIN}])
read(8, "\372", 1)                      = 1
write(15, "\0", 1)                      = 1
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, -1) = 1 ([{fd=8, revents=POLLIN}])
read(8, "\372", 1)                      = 1
write(15, "\0", 1)                      = 1
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, -1) = 1 ([{fd=8, revents=POLLIN}])
read(8, "\372", 1)                      = 1
write(15, "\0", 1)                      = 1
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, -1) = 1 ([{fd=8, revents=POLLIN}])
read(8, "\372", 1)                      = 1
write(15, "\0", 1)                      = 1
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
write(15, "\0", 1)                      = 1
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 1 ([{fd=8, revents=POLLIN}])
read(8, "\372", 1)                      = 1
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 1 ([{fd=8, revents=POLLIN}])
read(8, "\372", 1)                      = 1
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
futex(0x7fbbedd00018, FUTEX_WAIT_PRIVATE, 2, NULL) = 0
futex(0x7fbbedd00018, FUTEX_WAIT_PRIVATE, 2, NULL) = -1 EAGAIN (Resource temporarily unavailable)
futex(0x7fbbedd00018, FUTEX_WAIT_PRIVATE, 2, NULL) = 0
futex(0x7fbbedd00018, FUTEX_WAIT_PRIVATE, 2, NULL) = -1 EAGAIN (Resource temporarily unavailable)
futex(0x7fbbedd00018, FUTEX_WAIT_PRIVATE, 2, NULL) = -1 EAGAIN (Resource temporarily unavailable)
futex(0x7fbbedd00018, FUTEX_WAKE_PRIVATE, 1) = 0
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
write(15, "\0", 1)                      = 1
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, -1) = 1 ([{fd=8, revents=POLLIN}])
read(8, "\372", 1)                      = 1
write(15, "\0", 1)                      = 1
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, -1) = 1 ([{fd=8, revents=POLLIN}])
read(8, "\372", 1)                      = 1
futex(0x7fbbedc5ac84, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x7fbbedc5ac28, FUTEX_WAKE_PRIVATE, 1) = 1
write(15, "\0", 1)                      = 1
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(17, {msg_namelen=0}, 0)         = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=8, events=POLLIN}, {fd=17, events=POLLIN}, {fd=18, events=POLLIN}], 3, -1) = 1 ([{fd=8, revents=POLLIN}])

Expected results:

CPU usage 4%, like on Windows

Status: UNCONFIRMED → RESOLVED
Closed: 5 years ago
Resolution: --- → INVALID
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