[inspector] Make LayoutTest inspector/network/network-datareceived less slow

[inspector] Make LayoutTest inspector/network/network-datareceived less slow

The size of payload is decreased from 50KB to 5KB.

On Linux Debug build, the time spent (s) vs. payload size (byte) is:

  payload size  |  time spent
             5  |        3.05
           500  |        3.46
          5000  |        3.97
         50000  |       27.58
        500000  |     TIMEOUT

BUG=451577

[wychen, 2017-01-04 12:49:16]

Description was changed from

==========
Make LayoutTest inspector/network/network-datareceived less slow

The size of payload is decreased from 50KB to 5KB.

On Linux Debug build, the time spent (s) vs. payload size (byte) is:

  payload size  |  time spent
             5  |        3.05
           500  |        3.46
          5000  |        3.97
         50000  |       27.58
        500000  |     TIMEOUT

BUG=451577
==========

to

==========
Make LayoutTest inspector/network/network-datareceived less slow

The size of payload is decreased from 50KB to 5KB.

On Linux Debug build, the time spent (s) vs. payload size (byte) is:

  payload size  |  time spent
             5  |        3.05
           500  |        3.46
          5000  |        3.97
         50000  |       27.58
        500000  |     TIMEOUT

BUG=451577
==========

[wychen, 2017-01-04 12:49:16]

wychen@chromium.org changed reviewers:
+ dgozman@chromium.org

[wychen, 2017-01-04 12:50:14]

Description was changed from

==========
Make LayoutTest inspector/network/network-datareceived less slow

The size of payload is decreased from 50KB to 5KB.

On Linux Debug build, the time spent (s) vs. payload size (byte) is:

  payload size  |  time spent
             5  |        3.05
           500  |        3.46
          5000  |        3.97
         50000  |       27.58
        500000  |     TIMEOUT

BUG=451577
==========

to

==========
[inspector] Make LayoutTest inspector/network/network-datareceived less slow

The size of payload is decreased from 50KB to 5KB.

On Linux Debug build, the time spent (s) vs. payload size (byte) is:

  payload size  |  time spent
             5  |        3.05
           500  |        3.46
          5000  |        3.97
         50000  |       27.58
        500000  |     TIMEOUT

BUG=451577
==========

[wychen, 2017-01-04 12:50:29]

PTAL

[dgozman, 2017-01-04 18:13:00]

dgozman@chromium.org changed reviewers:
+ allada@chromium.org

[dgozman, 2017-01-04 18:13:01]

Deferring to allada@

[allada, 2017-01-04 18:33:24]

Hmmmm, I don't see any issue with this change, but I am going to challenge why
it's slow. 50k should be plenty fast and PHP should be able to handle 50kb of
data with little impact.

I am curious if there is a layout regression with printing lots of "*"
characters.

Can you give me the timing info for this test with a checkout from somewhere
around last year?

[dgozman, 2017-07-15 05:43:01]

dgozman@chromium.org changed reviewers:
- dgozman@chromium.org