[tools] Add gc-nvp-to-csv.py script.

[tools] Add gc-nvp-to-csv.py script.

Adds a script for converting gc nvp output into csv files. Factors out common
code in gc-nvp-trace-processor.py to gc_nvp_common.py to be shared by both
scripts. Fixes a couple of issues in nvp parsing code.

Committed: https://crrev.com/c136032c44d8ae7fc9bd822875769f947ae1c28d
Cr-Commit-Position: refs/heads/master@{#29141}

[rmcilroy, 2015-06-18 18:11:00]

rmcilroy@chromium.org changed reviewers:
+ hpayer@chromium.org, oth@chromium.org

[rmcilroy, 2015-06-18 18:11:01]

Hannes: PTAL, thanks.

Orion: FYI (but comments also welcome).

[Hannes Payer (out of office), 2015-06-18 20:57:57]

LGTM, with one nit

https://codereview.chromium.org/1175113008/diff/20001/tools/gc_nvp_common.py
File tools/gc_nvp_common.py (right):

https://codereview.chromium.org/1175113008/diff/20001/tools/gc_nvp_common.py#...
tools/gc_nvp_common.py:6: # Common code for parsing gc-nvp output.
--trace-gc-nvp

[rmcilroy, 2015-06-19 09:24:12]

The CQ bit was checked by rmcilroy@chromium.org

[rmcilroy, 2015-06-19 09:24:12]

The patchset sent to the CQ was uploaded after l-g-t-m from hpayer@chromium.org
Link to the patchset: https://codereview.chromium.org/1175113008/#ps40001
(title: "Fix nit")

[rmcilroy, 2015-06-19 09:24:24]

https://codereview.chromium.org/1175113008/diff/20001/tools/gc_nvp_common.py
File tools/gc_nvp_common.py (right):

https://codereview.chromium.org/1175113008/diff/20001/tools/gc_nvp_common.py#...
tools/gc_nvp_common.py:6: # Common code for parsing gc-nvp output.
On 2015/06/18 20:57:56, Hannes Payer wrote:
> --trace-gc-nvp

Done.

[commit-bot: I haz the power, 2015-06-19 09:24:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1175113008/40001

[commit-bot: I haz the power, 2015-06-19 10:40:54]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-06-19 10:40:57]

Patchset 3 (id:??) landed as
https://crrev.com/c136032c44d8ae7fc9bd822875769f947ae1c28d
Cr-Commit-Position: refs/heads/master@{#29141}