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Subject: Re: [PATCH v2] perf scripts python: Add Python 3 support to
 failed-syscalls-by-pid.py
To:     Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>,
        peterz@infradead.org, mingo@redhat.com, acme@kernel.org,
        alexander.shishkin@linux.intel.com, jolsa@redhat.com,
        namhyung@kernel.org, linux-kernel@vger.kernel.org
References: <1547718344-27382-1-git-send-email-s1seetee@linux.vnet.ibm.com>
 <1547718344-27382-5-git-send-email-s1seetee@linux.vnet.ibm.com>
From:   Tony Jones <tonyj@suse.de>
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Date:   Fri, 18 Jan 2019 17:12:01 -0800
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On 1/17/19 1:45 AM, Seeteena Thoufeek wrote:

> +from __future__ import print_function

You don't need this unless you're actually requiring functionality that only exists in v3.
For example, you need it to handle the suppress newline functionality such as "end=".

>  def print_error_totals():
>      if for_comm is not None:
> -	    print "\nsyscall errors for %s:\n\n" % (for_comm),
> +	    print("\nsyscall errors for %s:\n\n" % (for_comm)),
>      else:
> -	    print "\nsyscall errors:\n\n",
> +	    print("\nsyscall errors:\n\n"),
>  
> -    print "%-30s  %10s\n" % ("comm [pid]", "count"),
> -    print "%-30s  %10s\n" % ("------------------------------", \
> -                                 "----------"),
> +    print("%-30s  %10s\n" % ("comm [pid]", "count")),
> +    print("%-30s  %10s\n" % ("------------------------------", \
> +                                 "----------")),

Same comments as before regarding trailing comma for function.

See: https://build.opensuse.org/package/view_file/devel:tools/perf/port-failed-syscalls-by-pid-script-to-python3.patch?expand=1