From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <pve-devel-bounces@lists.proxmox.com>
Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68])
by lore.proxmox.com (Postfix) with ESMTPS id C76241FF164
for <inbox@lore.proxmox.com>; Fri, 23 May 2025 18:38:39 +0200 (CEST)
Received: from firstgate.proxmox.com (localhost [127.0.0.1])
by firstgate.proxmox.com (Proxmox) with ESMTP id 388A61F024;
Fri, 23 May 2025 18:38:22 +0200 (CEST)
From: Aaron Lauterer <a.lauterer@proxmox.com>
To: pve-devel@lists.proxmox.com
Date: Fri, 23 May 2025 18:37:37 +0200
Message-Id: <20250523163749.428293-2-a.lauterer@proxmox.com>
X-Mailer: git-send-email 2.39.5
In-Reply-To: <20250523163749.428293-1-a.lauterer@proxmox.com>
References: <20250523160029.404400-1-a.lauterer@proxmox.com>
<20250523163749.428293-1-a.lauterer@proxmox.com>
MIME-Version: 1.0
X-SPAM-LEVEL: Spam detection results: 0
AWL -0.030 Adjusted score from AWL reputation of From: address
BAYES_00 -1.9 Bayes spam probability is 0 to 1%
DMARC_MISSING 0.1 Missing DMARC policy
KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment
SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record
SPF_PASS -0.001 SPF: sender matches SPF record
Subject: [pve-devel] [PATCH common 3/4] add helper to fetch value from
smaps_rollup for pid
X-BeenThere: pve-devel@lists.proxmox.com
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Proxmox VE development discussion <pve-devel.lists.proxmox.com>
List-Unsubscribe: <https://lists.proxmox.com/cgi-bin/mailman/options/pve-devel>,
<mailto:pve-devel-request@lists.proxmox.com?subject=unsubscribe>
List-Archive: <http://lists.proxmox.com/pipermail/pve-devel/>
List-Post: <mailto:pve-devel@lists.proxmox.com>
List-Help: <mailto:pve-devel-request@lists.proxmox.com?subject=help>
List-Subscribe: <https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel>,
<mailto:pve-devel-request@lists.proxmox.com?subject=subscribe>
Reply-To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Errors-To: pve-devel-bounces@lists.proxmox.com
Sender: "pve-devel" <pve-devel-bounces@lists.proxmox.com>
Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
---
src/PVE/ProcFSTools.pm | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/src/PVE/ProcFSTools.pm b/src/PVE/ProcFSTools.pm
index 382e6c5..185b2b3 100644
--- a/src/PVE/ProcFSTools.pm
+++ b/src/PVE/ProcFSTools.pm
@@ -344,6 +344,20 @@ sub read_meminfo {
return $res;
}
+# extract memory data from /proc/$pid/smaps_rollup for PID. $value is e.g. "Pss".
+sub read_smaps_rollup {
+ my ($pid, $value) = @_;
+
+ my $res = 0;
+ return $res if !$pid || !$value;
+
+ my $mem_stats = eval { PVE::Tools::file_get_contents("/proc/${pid}/smaps_rollup") };
+ if ($mem_stats && $mem_stats =~ m/^${value}:\s+(\d+)\s*kB$/m) {
+ $res = $1 * 1024;
+ }
+ return $res;
+}
+
# memory usage of current process
sub read_memory_usage {
--
2.39.5
_______________________________________________
pve-devel mailing list
pve-devel@lists.proxmox.com
https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel