From 4bc2bbda6981663c520a5f5227882e9e79358a05 Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Tue, 5 Apr 2022 09:18:19 -0400
Subject: [PATCH] Allow passing "ms slower then" value on cli to `--profile`

---
 piker/_profile.py |  2 +-
 piker/ui/cli.py   | 18 ++++++++++++------
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/piker/_profile.py b/piker/_profile.py
index 2e726e80..697c3c3b 100644
--- a/piker/_profile.py
+++ b/piker/_profile.py
@@ -24,7 +24,7 @@ from functools import wraps
 # NOTE: you can pass a flag to enable this:
 # ``piker chart <args> --profile``.
 _pg_profile: bool = False
-ms_slower_then: float = 10
+ms_slower_then: float = 0
 
 
 def pg_profile_enabled() -> bool:
diff --git a/piker/ui/cli.py b/piker/ui/cli.py
index a8bd8e9f..02515fc0 100644
--- a/piker/ui/cli.py
+++ b/piker/ui/cli.py
@@ -122,7 +122,8 @@ def optschain(config, symbol, date, rate, test):
 @cli.command()
 @click.option(
     '--profile',
-    is_flag=True,
+    '-p',
+    default=None,
     help='Enable pyqtgraph profiling'
 )
 @click.option(
@@ -133,9 +134,16 @@ def optschain(config, symbol, date, rate, test):
 @click.argument('symbol', required=True)
 @click.pass_obj
 def chart(config, symbol, profile, pdb):
-    """Start a real-time chartng UI
-    """
-    from .. import _profile
+    '''
+    Start a real-time chartng UI
+
+    '''
+    # eg. ``--profile 3`` reports profiling for anything slower then 3 ms.
+    if profile is not None:
+        from .. import _profile
+        _profile._pg_profile = True
+        _profile.ms_slower_then = float(profile)
+
     from ._app import _main
 
     if '.' not in symbol:
@@ -145,8 +153,6 @@ def chart(config, symbol, profile, pdb):
         ))
         return
 
-    # toggle to enable profiling
-    _profile._pg_profile = profile
 
     # global opts
     brokernames = config['brokers']