Fix typos discovered by codespell

doc/api.rst

@@ -679,7 +679,7 @@ Benchmark:
 * ``inner_loops`` (``int >= 1``): number of inner-loops of the benchmark (``int``)
 * ``timer``: Implementation of ``time.perf_counter()``, and also resolution if
   available
-* ``tags``: (list of str, optional): A list of tags associated with the benchmark. If provided, the results output will be aggreggated by each tag.
+* ``tags``: (list of str, optional): A list of tags associated with the benchmark. If provided, the results output will be aggregated by each tag.
 
 Python metadata:
 

doc/changelog.rst

@@ -88,7 +88,7 @@ Version 2.1.0 (2021-01-14)
 * The :ref:`compare_to command <compare_to_cmd>` no longer displays
   percentages: display less numbers to make the output easier to read. Also,
   percentage were almost the same values than the xxx faster or xxx slower
-  values, but rounded differenly which introduced confusion.
+  values, but rounded differently which introduced confusion.
 * Project moved to https://github.com/psf/pyperf/
 * system command now only emits a warning rather than failing with a hard error
   if it fails to get or set the frequency of a CPU.

doc/index.rst

@@ -4,7 +4,7 @@ Python pyperf module
 
 The Python ``pyperf`` module is a toolkit to write, run and analyze benchmarks.
 
-Documenation:
+Documentation:
 
 .. toctree::
    :maxdepth: 2

pyperf/_runner.py

@@ -69,7 +69,7 @@ class CLIError(Exception):
 class Runner:
     _created = set()
 
-    # Default parameters are chosen to have approximatively a run of 0.5 second
+    # Default parameters are chosen to have approximately a run of 0.5 second
     # and so a total duration of 5 seconds by default
     def __init__(self, values=None, processes=None,
                  loops=0, min_time=0.1, metadata=None,
@@ -85,7 +85,7 @@ def __init__(self, values=None, processes=None,
             pass
 
         # Watchdog: ensure that only once instance of Runner (or a Runner
-        # subclass) is created per process to prevent bad suprises
+        # subclass) is created per process to prevent bad surprises
         cls = self.__class__
         key = id(cls)
         if key in cls._created:

pyperf/_system.py

@@ -384,7 +384,7 @@ def write(self, tune):
 
 class LinuxScheduler(Operation):
     """
-    Check isolcpus=cpus and rcu_nocbs=cpus paramaters of the Linux kernel
+    Check isolcpus=cpus and rcu_nocbs=cpus parameters of the Linux kernel
     command line.
     """
 

pyperf/_worker.py

@@ -288,7 +288,7 @@ def compute(self):
         else:
             self.compute_warmups_values()
 
-        # collect metatadata
+        # collect metadata
         metadata2 = self.collect_metadata()
         metadata2.update(self.metadata)
         self.metadata = metadata2