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Mon, 15 Mar 2021 23:18:36 +0000 (UTC) Date: Tue, 16 Mar 2021 00:18:35 +0100 From: Jiri Olsa To: Athira Rajeev Subject: Re: [PATCH 4/4] tools/perf: Support pipeline stage cycles for powerpc Message-ID: References: <1615298640-1529-1-git-send-email-atrajeev@linux.vnet.ibm.com> <1615298640-1529-5-git-send-email-atrajeev@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ravi Bangoria , Madhavan Srinivasan , Peter Zijlstra , kjain@linux.ibm.com, linux-kernel@vger.kernel.org, acme@kernel.org, linux-perf-users@vger.kernel.org, jolsa@kernel.org, linuxppc-dev@lists.ozlabs.org, kan.liang@linux.intel.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Mon, Mar 15, 2021 at 01:22:09PM +0530, Athira Rajeev wrote: SNIP > + > +static char *setup_dynamic_sort_keys(char *str) > +{ > + unsigned int j; > + > + if (sort__mode == SORT_MODE__MEMORY) > + for (j = 0; j < ARRAY_SIZE(dynamic_sort_keys_mem); j++) > + if (arch_support_dynamic_key(dynamic_sort_keys_mem[j])) { > + str = suffix_if_not_in(dynamic_sort_keys_mem[j], str); > + if (str == NULL) > + return str; > + } > + > + return str; > +} > + > static int __setup_sorting(struct evlist *evlist) > { > char *str; > @@ -3050,6 +3085,12 @@ static int __setup_sorting(struct evlist *evlist) > } > } > > + str = setup_dynamic_sort_keys(str); > + if (str == NULL) { > + pr_err("Not enough memory to setup dynamic sort keys"); > + return -ENOMEM; > + } hum, so this is basicaly overloading the default_mem_sort_order for architecture, right? then I think it'd be easier just overload default_mem_sort_order directly I was thinking more about adding extra (arch specific) loop to sort_dimension__add or somehow add arch's specific stuff to memory_sort_dimensions jirka