From: Georgi Djakov <georgi.djakov@linaro.org> To: gregkh@linuxfoundation.org Cc: andy.gross@linaro.org, olof@lixom.net, arnd@arndb.de, rjw@rjwysocki.net, robh+dt@kernel.org, mturquette@baylibre.com, khilman@baylibre.com, vincent.guittot@linaro.org, skannan@codeaurora.org, bjorn.andersson@linaro.org, amit.kucheria@linaro.org, seansw@qti.qualcomm.com, daidavid1@codeaurora.org, evgreen@chromium.org, dianders@chromium.org, abailon@baylibre.com, maxime.ripard@bootlin.com, thierry.reding@gmail.com, ksitaraman@nvidia.com, sanjayc@nvidia.com, henryc.chen@mediatek.com, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-mediatek@lists.infradead.org, georgi.djakov@linaro.org Subject: [PATCH v13 4/8] interconnect: Add debugfs support Date: Wed, 16 Jan 2019 18:10:59 +0200 [thread overview] Message-ID: <20190116161103.6937-5-georgi.djakov@linaro.org> (raw) In-Reply-To: <20190116161103.6937-1-georgi.djakov@linaro.org> Add a functionality to provide information about the current constraints per each node and provider. Reviewed-by: Evan Green <evgreen@chromium.org> Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> --- drivers/interconnect/core.c | 70 +++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index a8c2bd35197f..8091d998549a 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -6,6 +6,7 @@ * Author: Georgi Djakov <georgi.djakov@linaro.org> */ +#include <linux/debugfs.h> #include <linux/device.h> #include <linux/idr.h> #include <linux/init.h> @@ -21,6 +22,7 @@ static DEFINE_IDR(icc_idr); static LIST_HEAD(icc_providers); static DEFINE_MUTEX(icc_lock); +static struct dentry *icc_debugfs_dir; /** * struct icc_req - constraints that are attached to each node @@ -48,6 +50,59 @@ struct icc_path { struct icc_req reqs[]; }; +static void icc_summary_show_one(struct seq_file *s, struct icc_node *n) +{ + if (!n) + return; + + seq_printf(s, "%-30s %12u %12u\n", + n->name, n->avg_bw, n->peak_bw); +} + +static int icc_summary_show(struct seq_file *s, void *data) +{ + struct icc_provider *provider; + + seq_puts(s, " node avg peak\n"); + seq_puts(s, "--------------------------------------------------------\n"); + + mutex_lock(&icc_lock); + + list_for_each_entry(provider, &icc_providers, provider_list) { + struct icc_node *n; + + list_for_each_entry(n, &provider->nodes, node_list) { + struct icc_req *r; + + icc_summary_show_one(s, n); + hlist_for_each_entry(r, &n->req_list, req_node) { + if (!r->dev) + continue; + + seq_printf(s, " %-26s %12u %12u\n", + dev_name(r->dev), r->avg_bw, + r->peak_bw); + } + } + } + + mutex_unlock(&icc_lock); + + return 0; +} + +static int icc_summary_open(struct inode *inode, struct file *file) +{ + return single_open(file, icc_summary_show, inode->i_private); +} + +static const struct file_operations icc_summary_fops = { + .open = icc_summary_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + static struct icc_node *node_find(const int id) { return idr_find(&icc_idr, id); @@ -711,6 +766,21 @@ int icc_provider_del(struct icc_provider *provider) } EXPORT_SYMBOL_GPL(icc_provider_del); +static int __init icc_init(void) +{ + icc_debugfs_dir = debugfs_create_dir("interconnect", NULL); + debugfs_create_file("interconnect_summary", 0444, + icc_debugfs_dir, NULL, &icc_summary_fops); + return 0; +} + +static void __exit icc_exit(void) +{ + debugfs_remove_recursive(icc_debugfs_dir); +} +module_init(icc_init); +module_exit(icc_exit); + MODULE_AUTHOR("Georgi Djakov <georgi.djakov@linaro.org>"); MODULE_DESCRIPTION("Interconnect Driver Core"); MODULE_LICENSE("GPL v2");
WARNING: multiple messages have this Message-ID (diff)
From: Georgi Djakov <georgi.djakov@linaro.org> To: gregkh@linuxfoundation.org Cc: sanjayc@nvidia.com, maxime.ripard@bootlin.com, mturquette@baylibre.com, daidavid1@codeaurora.org, bjorn.andersson@linaro.org, skannan@codeaurora.org, abailon@baylibre.com, vincent.guittot@linaro.org, seansw@qti.qualcomm.com, khilman@baylibre.com, evgreen@chromium.org, ksitaraman@nvidia.com, devicetree@vger.kernel.org, arnd@arndb.de, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, henryc.chen@mediatek.com, andy.gross@linaro.org, robh+dt@kernel.org, linux-mediatek@lists.infradead.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, rjw@rjwysocki.net, dianders@chromium.org, amit.kucheria@linaro.org, linux-kernel@vger.kernel.org, thierry.reding@gmail.com, olof@lixom.net, georgi.djakov@linaro.org Subject: [PATCH v13 4/8] interconnect: Add debugfs support Date: Wed, 16 Jan 2019 18:10:59 +0200 [thread overview] Message-ID: <20190116161103.6937-5-georgi.djakov@linaro.org> (raw) In-Reply-To: <20190116161103.6937-1-georgi.djakov@linaro.org> Add a functionality to provide information about the current constraints per each node and provider. Reviewed-by: Evan Green <evgreen@chromium.org> Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> --- drivers/interconnect/core.c | 70 +++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index a8c2bd35197f..8091d998549a 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -6,6 +6,7 @@ * Author: Georgi Djakov <georgi.djakov@linaro.org> */ +#include <linux/debugfs.h> #include <linux/device.h> #include <linux/idr.h> #include <linux/init.h> @@ -21,6 +22,7 @@ static DEFINE_IDR(icc_idr); static LIST_HEAD(icc_providers); static DEFINE_MUTEX(icc_lock); +static struct dentry *icc_debugfs_dir; /** * struct icc_req - constraints that are attached to each node @@ -48,6 +50,59 @@ struct icc_path { struct icc_req reqs[]; }; +static void icc_summary_show_one(struct seq_file *s, struct icc_node *n) +{ + if (!n) + return; + + seq_printf(s, "%-30s %12u %12u\n", + n->name, n->avg_bw, n->peak_bw); +} + +static int icc_summary_show(struct seq_file *s, void *data) +{ + struct icc_provider *provider; + + seq_puts(s, " node avg peak\n"); + seq_puts(s, "--------------------------------------------------------\n"); + + mutex_lock(&icc_lock); + + list_for_each_entry(provider, &icc_providers, provider_list) { + struct icc_node *n; + + list_for_each_entry(n, &provider->nodes, node_list) { + struct icc_req *r; + + icc_summary_show_one(s, n); + hlist_for_each_entry(r, &n->req_list, req_node) { + if (!r->dev) + continue; + + seq_printf(s, " %-26s %12u %12u\n", + dev_name(r->dev), r->avg_bw, + r->peak_bw); + } + } + } + + mutex_unlock(&icc_lock); + + return 0; +} + +static int icc_summary_open(struct inode *inode, struct file *file) +{ + return single_open(file, icc_summary_show, inode->i_private); +} + +static const struct file_operations icc_summary_fops = { + .open = icc_summary_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + static struct icc_node *node_find(const int id) { return idr_find(&icc_idr, id); @@ -711,6 +766,21 @@ int icc_provider_del(struct icc_provider *provider) } EXPORT_SYMBOL_GPL(icc_provider_del); +static int __init icc_init(void) +{ + icc_debugfs_dir = debugfs_create_dir("interconnect", NULL); + debugfs_create_file("interconnect_summary", 0444, + icc_debugfs_dir, NULL, &icc_summary_fops); + return 0; +} + +static void __exit icc_exit(void) +{ + debugfs_remove_recursive(icc_debugfs_dir); +} +module_init(icc_init); +module_exit(icc_exit); + MODULE_AUTHOR("Georgi Djakov <georgi.djakov@linaro.org>"); MODULE_DESCRIPTION("Interconnect Driver Core"); MODULE_LICENSE("GPL v2"); _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-01-16 16:10 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-01-16 16:10 [PATCH v13 0/8] Introduce on-chip interconnect API Georgi Djakov 2019-01-16 16:10 ` Georgi Djakov [not found] ` <20190116161103.6937-1-georgi.djakov-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> 2019-01-16 16:10 ` [PATCH v13 1/8] interconnect: Add generic " Georgi Djakov 2019-01-16 16:10 ` Georgi Djakov 2019-01-16 16:10 ` Georgi Djakov 2019-01-16 16:10 ` [PATCH v13 2/8] dt-bindings: Introduce interconnect binding Georgi Djakov 2019-01-16 16:10 ` Georgi Djakov 2019-01-16 16:10 ` [PATCH v13 3/8] interconnect: Allow endpoints translation via DT Georgi Djakov 2019-01-16 16:10 ` Georgi Djakov 2019-01-16 16:10 ` Georgi Djakov [this message] 2019-01-16 16:10 ` [PATCH v13 4/8] interconnect: Add debugfs support Georgi Djakov 2019-01-16 16:11 ` [PATCH v13 5/8] interconnect: qcom: Add sdm845 interconnect provider driver Georgi Djakov 2019-01-16 16:11 ` Georgi Djakov 2019-01-16 16:11 ` [PATCH v13 6/8] arm64: dts: sdm845: Add interconnect provider DT nodes Georgi Djakov 2019-01-16 16:11 ` Georgi Djakov 2019-01-16 16:11 ` [PATCH v13 7/8] MAINTAINERS: add a maintainer for the interconnect API Georgi Djakov 2019-01-16 16:11 ` Georgi Djakov 2019-01-16 16:11 ` [PATCH v13 8/8] interconnect: Revert to previous config if any request fails Georgi Djakov 2019-01-16 16:11 ` Georgi Djakov 2019-01-22 12:42 ` [PATCH v13 0/8] Introduce on-chip interconnect API Greg KH 2019-01-22 12:42 ` Greg KH 2019-01-22 14:45 ` Georgi Djakov 2019-01-22 14:45 ` Georgi Djakov 2019-01-22 15:00 ` Greg KH 2019-01-22 15:00 ` Greg KH 2019-01-22 15:00 ` Greg KH
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20190116161103.6937-5-georgi.djakov@linaro.org \ --to=georgi.djakov@linaro.org \ --cc=abailon@baylibre.com \ --cc=amit.kucheria@linaro.org \ --cc=andy.gross@linaro.org \ --cc=arnd@arndb.de \ --cc=bjorn.andersson@linaro.org \ --cc=daidavid1@codeaurora.org \ --cc=devicetree@vger.kernel.org \ --cc=dianders@chromium.org \ --cc=evgreen@chromium.org \ --cc=gregkh@linuxfoundation.org \ --cc=henryc.chen@mediatek.com \ --cc=khilman@baylibre.com \ --cc=ksitaraman@nvidia.com \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-arm-msm@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-mediatek@lists.infradead.org \ --cc=linux-pm@vger.kernel.org \ --cc=linux-tegra@vger.kernel.org \ --cc=maxime.ripard@bootlin.com \ --cc=mturquette@baylibre.com \ --cc=olof@lixom.net \ --cc=rjw@rjwysocki.net \ --cc=robh+dt@kernel.org \ --cc=sanjayc@nvidia.com \ --cc=seansw@qti.qualcomm.com \ --cc=skannan@codeaurora.org \ --cc=thierry.reding@gmail.com \ --cc=vincent.guittot@linaro.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.