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From: Shakeel Butt To: Thomas Ballasi Cc: akpm@linux-foundation.org, axelrasmussen@google.com, david@kernel.org, hannes@cmpxchg.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, lorenzo.stoakes@oracle.com, mhiramat@kernel.org, mhocko@kernel.org, rostedt@goodmis.org, weixugc@google.com, yuanchu@google.com, zhengqi.arch@bytedance.com Subject: Re: [PATCH v7 1/3] tracing: Add __event_in_*irq() helpers Message-ID: References: <20260213181537.54350-1-tballasi@linux.microsoft.com> <20260223171544.4750-1-tballasi@linux.microsoft.com> <20260223171544.4750-2-tballasi@linux.microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260223171544.4750-2-tballasi@linux.microsoft.com> X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: 660C01A0012 X-Stat-Signature: kq5nh7pqjazmttka4kui7yua1q3zeh7e X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1771875213-959100 X-HE-Meta: U2FsdGVkX1+I0l1f8Zre6jTqtjzD11PFyha6YZ4xRzYXmpT5tus7fuhlxknN+u1urNP7gwPQOkgf5DIxg0Qfdxa9Q1OBMSmJvJFdePUODjqPwzzjAL1Y84Kw/crlm+zkfDIj6JYarct2osMWkRC1UH44kAjzLqBH4Tolo5VH7qS/pSFTuZo9hkkCgnMKQQGSzADQ/gRSsFCBpGdFoQiE8AC78BWuXGnfiWJyqgdDhKBvVIgmueOpfB9wqX3mWH92np4Z5cd71gkllM+rrY8oaeH3n4fTvAPYhlDS7c6jzORlar5+sTy0GbahVJyvIlYXrMhm5a8Jem2WgDdNoIEmDgcoN3JSdWEvzII4CzAkZHOtT0QyPlBdYHaendTmunnQKG1JnbWGOmDFPO4+ohlWFZ5osRCE0Wcwu7cb7nDMOlmyRp5DTtVZCADzRxRA/8Vn0/+sSwhtgRDQ58sW0XvcrQEjxaXOOm1/DB3V3TDhxsd/qgFNu4j1pes7nlOmjCz+zCTvq7d8AbH9Yz1pDznp3Sl5SgDbnI8w2R+6GxBmxyhdaq3YVi39q03rGBeF47zdROTkVqe4anCbThpEnjylzoOIeCbfs9/vcAT6Z/mIWS7Tj/DjLoURkqoXwwF+TCM9fWJ9fxl6lkHvC0rMP2VOiiHRnUcfX8BRTZ3JXnhp6sqxT0gUXr0L4kUR/Xhdp9VSBPydNHCwZe7ThRBEGkE5ek3f2d+JVhpWjxVLH/2TUzrCdBA2Vp1KN2J+gXA95IY1ix1CWOSiM9CUfLa4xI678UDQBOtt1rKHu+Jq4Wt+x3bgWnxIzlrFdkCKo48uINxNbiSKAnurCXZHP2ypIvhP4HCHACRp2ryXgS8hMR6OWqHxASJ8JMCbWcToSixFoBqRGQXZ5auCx0rjDUcTU0cy3C3feeqltyZnrrUTDoV0LFi/lo0mlFc1Vl34Q6BGdmTOTsBC1S8bR9M1RHp9t6Q xNwGtpDz twbyxnEvuvll3M/btVgVIZC64qNTKs0zmOM4V5Uka5DbE7mIrypPwaoT8R/XmL6H71kjQc6Ky6bYbXfzF2ditfLbUDFKzQhvIAQx5nMmj7eUZkoHXvwQ2OqI9aIaF8teA9ZLwcOH6eCSztAGC0GmVQsUHuC9p6BmJInzX+y9+aV3nF9h3zRGXGO3T1SDykAPKvlnVpxqeCvs2/z6MGcbc3RweUoAJEdSb/r7eAf/VL+n3ULvs/EdSMosbLI/RWwNUucN3e4z223DkC+7Yacj3OMof2ZUoukuv0qP8IQ4DHUjRzfNkJUwuathtzT2rlB5uQO+HE2mLAVNlCNg6BiYBctFc5saSOaTnoUDr+W522HZBwG4= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Feb 23, 2026 at 09:15:42AM -0800, Thomas Ballasi wrote: > From: Steven Rostedt > > Some trace events want to expose in their output if they were triggered in > an interrupt or softirq context. Instead of recording this in the event > structure itself, as this information is stored in the flags portion of > the event header, add helper macros that can be used in the print format: > > TP_printk("val=%d %s", __entry->val, __event_in_irq() ? "(in-irq)" : "") > > This will output "(in-irq)" for the event in the trace data if the event > was triggered in hard or soft interrupt context. > > Link: https://lore.kernel.org/all/20251229132942.31a2b583@gandalf.local.home/ > > Signed-off-by: Steven Rostedt (Google) > Signed-off-by: Thomas Ballasi Reviewed-by: Shakeel Butt